Solve.Let f(x) = -6x + 2 and g(x) = 4x2 + 7. Find f(3) + g(3) .
A. 20
B. 25
C. 27
D. 18
Answer: C
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Solve the problem.The decibel level D of a sound is related to its intensity I by 
. If I0 is 10-12, then what is the intensity of a noise measured at 50 decibels? Express your answer in scientific notation, rounding to three significant digits, if necessary.
A. 5 × 10-10 watt/m2 B. 1 × 10-6 watt/m2 C. 1.48 × 1014 watt/m2 D. 1 × 10-7 watt/m2
Solve.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole? 
A. 20.5 yd. B. 5.55 yd. C. 11.1 yd. D. 61.5 yd.
Evaluate the following.sin-1 -0.34 (Approximate to a hundredth of a radian.)
A. -19.88 B. -0.33 C. -3.00 D. -0.35
Write the fraction or mixed number as a percent. Write the percent as a simplified fraction or mixed number.
A. 
%
B. 33
%
C. 
%
D. 3
%