Find the indicated composition.f(x) = x2 + 7; g(x) = 4x + 4Find (f ? g)(x).
A. (f ? g)(x) = 16x2 + 32x + 16
B. (f ? g)(x) = 4x2 + 32
C. (f ? g)(x) = 16x2 + 16x + 23
D. (f ? g)(x) = 16x2 + 32x + 23
Answer: D
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Solve problems by subtracting whole numbers.The population of Graham County is 952,436. The population of Farmington County is 104,683. The population of Irving County is 382,104. How much greater is the population of Graham County than Irving County?
A. 570,332 B. 570,322 C. 857,753 D. 847,753
Use transformations of either the graph of y = ln x or y = log x to graph the given equation.y = -3 ln x
A. 
B. 
C. 
D. 
Find the least common multiple (LCM) of the list of numbers.9, 14
A. 126 B. 9 C. 23 D. 14
Solve the problem.Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
A. 4.50 years B. 450.25 years C. 40.50 years D. 45.03 years.