Perform the requested operation on the given function.f(x) = 
, g(x) = 
Find (fg)(x).
A. (4x + 2)(4x - 25)
B. (
)(
)
C. (4x + 2)(2x - 5)
D. (2x - 5)(
)
Answer: B
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Solve the number problem by finding the value of the unknown number.If twice a number is increased by 1, the result is 23.
A. 22 B. 11 C. 16 D. 8
Sin t and cos t are given. Use identities to find the indicated value. Where necessary, rationalize denominators.sin t = - 
, cos t = 
. Find csc t.
A. 
B. - 
C. 
D. 
Solve the problem.An object is thrown upward with an initial velocity of 12 ft per second. Its height is given by the function 
at time t seconds. What is the greatest height that it reaches?
A. 12 feet B. 58 feet C. 24 feet D. 48 feet
Solve.The data set represents a progression of hourly temperature measurements. Use a graphing calculator to determine the quadratic regression equation for this data set. 
A. y = -0.759x2 - 3.760x + 20.180 B. y = 0.795x2 + 3.796x + 20.180 C. y = -0.795x2 - 3.796x + 20.180 D. y = -0.875x2 - 3.596x + 20.179