Write the exponential equation in logarithmic form.

a.

b.

c.

d.

e.


a.

Mathematics

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Express using positive exponents. Then simplify.x-7

A. 7x
B.
C. x7
D.

Mathematics

Sketch the curve.y = 6.8x2

A.

B.

C.

D.

Mathematics

Determine the slope and y-intercept of the function.f(x) = - x + 8

A. m = - ; b = 8
B. m = - ; b = - 8
C. m = ; b = - 8
D. m = 8; b = - 

Mathematics

Find the vertex, focus, and directrix of the parabola. Graph the equation.(x + 2)2 = -4(y + 2)

A. vertex: (2, 2)
focus: (2, 1)
directrix: y = 3

B. vertex: (2, 2)
focus: (1, 2)
directrix: x = 3

C. vertex: (-2, -2)
focus: (-2, -3)
directrix: y = -1

D. vertex: (-2, -2)
focus: (-3, -2)
directrix: x = -1

Mathematics