Find dy/dx without eliminating the parameter.x = 5t2, y = t3; t ? 0

A. t
B. t
C. t2
D.


Answer: B

Mathematics

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Use scientific notation to solve the problem.The distance from the earth to the sun is 92,900,000 miles. How long would it take a rocket, traveling at 2.9 x 103 miles per hour, to reach the sun?

A. 3.2 x 104 hr B. 3.2 hr  C. 3.2 x 102 hr D. 3.2 x 103 hr

Mathematics

Perform the indicated operation and write the answer in the form  where a and b are real numbers.(2 - 7i)(8 - 8i)

A. 72 - 40i B. 56i2 - 72i + 16 C. -40 - 72i D. -40 + 72i

Mathematics

Use the quadratic formula to solve the equation.7x2 + 8x + 2 = 0

A.
B.
C.
D.

Mathematics

Determine whether the given function is one-to-one. If it is one-to-one, find its inverse function.f(x) = x2 - 9

A. one-to-one function; f-1(x) = x2 + 9 B. one-to-one function; f-1(x) = x + 9 C. one-to-one function; f-1(x) = x2 - 9 D. not a one-to-one function

Mathematics