Find the derivative of the function at the given point in the direction of A.    

A.
B.
C.
D.


Answer: B

Mathematics

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Solve.-4.4x + 1.5 = -4.5 - 1.4x

A. x = -9 B. x = 1.4 C. x = 2 D. x = 1.7

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Perform the indicated operations and simplify the result so there are no quotients.tan2? - 3 sin ? tan ? sec ?

A. 1 + cot ? B. -2 tan2? C. sec ? csc ? D. sin ? tan ?

Mathematics

Solve the problem.A certain product has supply and demand functions given by p = 3q + 21 and p = 164 - 8q, respectively, where p is the price in dollars and q is the quantity supplied or demanded at price p. What price gives market equilibrium?

A. $60 B. $13 C. $39 D. $18

Mathematics

Using the appropriate right triangle, find the exact value of the trigonometric expression.tan 45°

A.
B.
C. 1
D.

Mathematics