For the given functions f and g, find the requested composite function value.f(x) = 13x2 - 4x, g(x) = 16x - 10;
Find (f ? g)(9).
A. 136,278
B. 16,262
C. 216,630
D. 232,892
Answer: D
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Find the derivative.y = 5x2e3x
A. 10xe3x(2x + 3) B. 10ex3x(3x + 2) C. 5xe3x(3x + 2) D. 5xe3x(2x + 3)
Solve.How much 12% alcohol solution should be mixed with a 4% alcohol solution to get 30 liters of 8% alcohol solution?
A. 15 L of 12%, 15 L of 4% B. 18 L of 12%, 12 L of 4% C. 20 L of 12%, 10 L of 4% D. 9 L of 12%, 21 L of 4%
Answer the question.The points (-6, -1) and (6, 5) are the points at which the diagonal of a square intersects the square. What are the coordinates of the center of the square?
A. (1, 2) B. (0, 3) C. (0, 2) D. (1, 3)
Solve the problem.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
style="vertical-align: -4.0px;" /> at 
Round your answer to the nearest pound of force?
A. 20,149 lb
B. 20,719 lb
C. 20,017 lb
D. 20,181 lb