Evaluate the function f at the indicated value.
{5x, if x ? -1x - 6, if x > -1
A. -11
B. -1
C. 25
D. -25
Answer: D
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Solve the problem.To save for retirement, you decide to deposit $2500 into an IRA at the end of each year for the next 40 years. If the interest rate is 9% per year compounded annually, find the value of the IRA after 40 years. (Round to the nearest dollar.)
A. $30,413,398 B. $844,706 C. $772,666 D. $76,024
Factor the expression completely, if possible.64x2 + 48x + 9
A. (64x + 9)(x + 1) B. (8x - 3)2 C. (8x + 3)(8x - 3) D. (8x + 3)2
The distribution of the verbal SAT test scores at a local college is approximately Normal (500, 110)
(a) What is the percentage of the scores is below 450? (b) What is the percentage of the scores is above 625?
Perform the indicated operations. Write the resulting polynomial in standard form.(x - 7)(x2 + 7x + 49)
A. x3 - 7x - 343 B. x2 - 343 C. x2 + 49x - 343 D. x3 - 343