For the pair of functions, perform the indicated operation.f(x) = x2 + 1, g(x) = 2x - 7
Find (f ? g)(x).
A. 2x3 + 2x2 - 7x - 7
B. 2x2 + 2x - 7
C. 2x3 - 7x2 + 2x - 7
D. 2x3 - 7
Answer: C
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Find f1 in the circuit below when R1 = 1 Kê, R2 = 4 Kê, C1 = 0.1 æF, C2 = 700 pF, and E = 20 V.
a. 1 KHz
b. 318 H3
c. 4 KHz
d. 8 KHz
e. 16 KHz
Provide an appropriate response.Find the radius of a sector whose central angle is 0.82 rad and the area of the sector is 3.7 cm2.
A. 3.00 cm B. 9.02 cm C. 7.15 cm D. 1.23 cm
The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. 
How much money is allotted each month for utilities?
A. $550 B. $200 C. $250 D. $1200
Solve the problem.Find the volume of a rectangular pyramid with base 18 m2 and height 4 m. Find the result to the nearest unit.
A. 36 m3 B. 72 m3 C. 24 m3 D. 22 m3