Evaluate the function 
at the value of 
a. –5
b. 
c. 
d. 5
d. 5
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Express f(x) in complete factored form.f(x) = x3 + 2x2 + 5x + 10
A. f(x) = (x + 2i)(x + 
)2
B. f(x) = (x + 2)(x + i
)(x - i
)
C. f(x) = (x + 1)(x + i
)(x - i
)
D. f(x) = (x + 2)(x + i
)2
Find the mean of the set of data. Round to the nearest tenth.13, 8, 14, 19, 4, 2, 4, 2, 20
A. 10.8 B. 9.6 C. 9.7 D. 9.4
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the hydrogen ion concentration if the 
A. 1012 B. 10-12 C. 0.08 D. 2.48
Find all solutions to the equation. Express the solution in degrees.cos x = 0
A. 90° + 360°n B. 180°n C. 90° + 180°n D. 360°n