Solve the problem.The formula A = P(1 + r)2 is used to find the amount of money, A, in an account after P dollars have been invested in the account paying an annual interest rate, r, for 2 years. Find the interest rate r if $500 grows to $980 in 2 years.
A. 40%
B. 4%
C. 240%
D. 96%
Answer: A
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Find the point(s) at which the given function equals its average value on the given interval.f(x) = 
; [0, 24]
A. 
B. 
C. 
D. 
Solve the problem.The formula v = 
can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 45 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 40 mph B. 35 mph C. 25 mph D. 30 mph
Provide an appropriate response.A critical point of f(x, y) = 2x2 + 3y2 + 7 subject to the constraint 2x - 5y = 31 is
A. 
B. (3, -5)
C. (2, 3)
D. (0, 0)
E. (-4, 1)
Determine whether the relation is a function.{(-5, 3), (-2, -2), (4, 5), (8, 9)}
A. Not a function B. Function