Differentiate.


Mathematics

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Solve the differential equation. = 8x7sec y

A. y = sin (x8 + C) B. y = x8 + C C. y = sin-1 (x8 + C) D. y = cos-1 (x8 + C)

Mathematics

Divide. Express the quotient in lowest terms. ÷ 

A.
B.
C.
D.

Mathematics

Simplify.-4x(7x - 7) - 3(4x + 3)

A. 28x2 - 40x - 9 B. -28x2 - 12x + 19 C. -28x2 - 40x - 9 D. -28x2 + 16x - 9

Mathematics

Assume that 0 < ? < ?/2. Find an expression for the indicated trigonometric function.Let x = 7 sin ? in . Find cos ?.

A.
B.
C.
D.

Mathematics