Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Olivia is saving for retirement, and she deposits $50 each month into a savings account that pays 6% interest, compounded quarterly. If she saves this amount for 30 years, how much will she have in this account when she retires?
a. $705,679 b. $288,800 c. $28,800 d. $19,080
Mathematics
Use a calculator to find an approximate solution to the equation. Round your answer to the nearest thousandth.x2 + 9x = 1
A. {-4.39, -4.39} B. {0.11, -9.11} C. {9.11, -0.11} D. {-0.113, -8.887}
Mathematics
Find the derivative.y = x5
A. 
= 5x4
B. 
= x5
C. 
= x4
D. 
= 5x5
Mathematics
Find the derivative of the function.y = ln (6 + x2)
A. 
B. 
C. 
D. 
Mathematics