Find the derivative.y = e9x2 + x
A. 18xe9x2 + 1
B. 18xe + 1
C. 18xex2 + 1
D. 18xe2x + 1
Answer: A
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Find the sum: 
a. 1 b. 15 c. 10 d. –10
Solve the problem.The present value that will give a future value S in 4 years with interest compounded annually varies inversely as the fourth power of 1 + r, where r is the annual interest rate. If the present value of $3.71 gives a future value of $5000, what would be the present value of $10,000? Round to the nearest dollar.
A. $45 B. $7 C. $8 D. $5
Provide an appropriate response.If a number has a negative natural logarithm, then the number must be ___.
Fill in the blank(s) with the appropriate word(s).
Answer the question.Is 
= 
a true statement? Explain your answer by simplifying the expression on the left, step by step, until it is an expression with only positive exponents that cannot be further simplified.4
What will be an ideal response?