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After 10 minutes, temperature of stein has risen to 35oF. Find temperature of stein be after 30minutes? How long will it take stein to reach temperature of 45oF?
Rabbit population doubles every 3 months and originally starts with 50 rabbits. How many rabbits will there be after r years and when will 1000000 rabbits be present?
Assume monic (leading coefficient 1) cubic polynomial function f(x)=x^3+bx^2+cx+d has zeros r1, r2, r3. Write polynomial factored form and multiply factors. Write relationships between coefficients
Rectangle ABCD had vertices C and D on x-axis and vertices A and B on line y=9-x^2 above x-axis. State perimeter of rectangle as the function of x-coordinate of A.
Determine all horizontal and vertical asymptotes and draw function (include asymptotes on graph). Solve inequality x +1/ 2-x greater than 2 algebraically.
Tests illustrate that the new ointment X helps heal wounds. If area of original wound was 10 square millimeters, determine area of wound after 10 days of application of new ointment.
The population of United States was about 250 million in 1990 and 275 million in 2000. Suppose that population will continue to grow exponentially at same rate. Find predicted population of United S
State cross-sectional area A(w) of building as the function of width wand express domain of function. Use Euclid's theorem to find relationship between length land width w.
Given x=t^2 and y=t-2. Determine point when t=-3. Determine the direct algebraic relationship between x and y.
Half-life of radioactive uranium (234-U) is 245,500 years. What percent of current amount of radioactive uranium will remain after 5000 years?
Dayton Power and Light Inc. has the power plant on Miami River where river is 800 feet wide. Create the table with values of x ranging from 0 to 2 miles but measured in feet at 500 foot intervals and
Write equation of circle if is shifted 2 units right and 3 units down. Write equation of line parallel to original diamter given going through center of translated circle.
Find the equation of form y = C(x-z1)(x-z2) where z1 and z2 are zeros (or roots) of quadratic polynomial (or x-intercepts of graph) and C is scaling constant which requires to be determined.
The large city in ancient world was square-shaped. Estimated in miles, its area numerically exceeded its perimeter by 118. Determine length of the side of city.
The period of T (in seconds) of the simple pendulum is the function of its length l (in feet) described by equation T=2pvl/g where g ˜32.2 feet per second is acceleration of gravity. Use gr
Quadratic function f(x)= 0.041x^2 -0.45x + 30.06 models median age at which men in United States were first married x years after 1990. In which year was average age at the minimum?
Find number of leather gloves are supplied when price per item is $ 99.70 Determine lowest price above that leather gloves will be supplied?
State volume V of box as the function of length x of side of square cut from each corner. Determine volume if a3-inch square is cut out?
Explain more than one method to compute outputs (comprising graphing calculators and methods available there). f(p) = 10p; compute f(6), f(1/2), and f(20).
Suppose rate of inflation is 4% per year, equation P=P0(1.04)t yields predicted price P of the item in t years which presently costs P0. Determine predicted price of $120,000 house in 3 years.
Assume x is difference between price scanned and price marked on item, and y is amount refunded to customer. Write the formula for y in terms of x.
The flower nursery manages 50,000 flowers and year sells 10% of flowers and plants 4,000 new ones. Write the recursive formula which gives number of flowers every year.
When the rock is dropped from the cliff into the ocean, it travels approximately 16t^2 feet in t seconds. If splash is heard 2.5 seconds later and speed of sound is 1100ft/sec, approximately height
From the signing, O=72 degrees from point C to point B. Point B is directly across river from point A. Find How wide is river?
The radius of the oil spill (in meters) is 50 times square root of time t (in hours). Write rule of the function f which gives radius of spill at time t.