Evaluate 
for the given x and function f.f(x) = 2x2 + 5 for x = 4
A. 21
B. 32
C. 16
D. Does not exist
Answer: C
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Solve the problem.A heavy-duty shock absorber is compressed 4 cm from its equilibrium position by a mass of 300 kg. How much work is required to compress the shock absorber 7 cm from its equilibrium position? (A mass of 300 kg exerts a force (in N) of 300g, where g ? 9.8 m/s2.)
A. 18.375 J B. 1,837.5 J C. 180.075 J D. 18,007.5 J
Solve the problem.A pencil box and a notebook together cost $6.28. The notebook costs $0.50 more than the pencil box. How much does the notebook cost?
A. $2.89 B. $3.89 C. $2.39 D. $3.39
Solve the equation graphically. Round to the nearest thousandth.ln
= log3
A. 1.515 B. 2.042 C. 1.798 D. 1.268
Find the requested probability.A family has five children. The probability of having a girl is 
. What is the probability of having exactly 2 girls and 3 boys?
A. .0625 B. .6252 C. .0312 D. .3125