Approximate f(x) to four decimal places.f(x) = e3x, x = 0.13

A. 1.4770
B. 1.3137
C. -1.477
D. -1.3137


Answer: A

Mathematics

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Replace the polar equation with an equivalent Cartesian equation. 7r cos ? + 8r sin ? = 1

A. 7x + 8y = 1
B. 7y + 8x = 1
C. 7x + 8y = x2 + y2
D.  +  = 1

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Sketch the graph of the parabola.y = -x2 + 5

A.

B.

C.

D.

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Sketch the graph of the polynomial function.f(x) = 4x3 - 2x2 - 8x + 4

A.

B.

C.

D.

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Use an analytic method to solve the equation.(2x + 5)1/2 - 3 = (x - 2)1/2

A. {2, 38} B. {-2} C. {3, 8} D. {2}

Mathematics