Find f'(x) at the given value of x.f(x) = 5; Find f'(6).

A.
B.
C. 60
D. Does not exist


Answer: B

Mathematics

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Rewrite as a radical expression and simplify if possible. Assume all variables represent nonnegative real numbers.(b7)2/7

A. b9/7 B. b1/7 C. b2 D. b2/49

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Solve.x = - 

A. - 
B. - 
C.
D.

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Write the following in interval notation.{x| x ? -9}

A. (-?,-9] B. [-9,-?) C. (?,-9] D. [-9,?)

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Let x represent the number. Write the English phrase as an algebraic expression.Twice the sum of a number and 9

A. 18 + x B. 9(x + 2) C. 2x + 9 D. 2(x + 9)

Mathematics