Evaluate the function.Find f(k) when: f(x) = 3x2 + 4x + 5
A. f(k) = 3k2 + 4k + 5
B. f(k) = 3k2 + 4k + 25
C. f(k) = 3k2 + 16k + 5
D. f(k) = 9k2 + 16k + 25
Answer: A
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Answer the question.A teacher gives the same math exam to two different classes. The second class has more students than the first. The mean score for the first class is 50% and the mean score for the second class is 70%. What can you say about the mean score for both classes combined?
A. It is equal to 60%. B. It is higher than 60%. C. It is lower than 60%. D. It may be higher or lower than 60%, this cannot be determined from the information given.
Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(2x + 5)1/2 - (x - 2)1/2 = 3
A. {2} B. {3, 8} C. {-2} D. {2, 38}
Divide and simplify. Assume that all variables represent positive real numbers.
A. 6
B. 
C. 3
D. 6
Solve the problem.If a $4000 investment compounded to 
after 2 years, compounded annually, find the annual interest rate of the investment. Use the formula, 
to solve.
A. 12% B. 1.2% C. 120% D. 1200%