Graph the function.y = log2 x

A.

B.

C.

D.


Answer: D

Mathematics

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Find the equation in slope-intercept form of the line satisfying the conditions.m = -9, passes through (-8, 4)

A. y = -9x + 75 B. y = 9x - 66 C. 9x + y = 68 D. y = -9x - 68

Mathematics

Provide an appropriate response. Which of the following lines are perpendicular? (a) line through points (1, -2) and (7,6)  (b) line with x-intercept -4 and y-intercept 3  (c) line 3x + 4y = 12 

A. (b) and (c) B. (a) and (b) C. (a) and (c) D. none perpendicular

Mathematics

Answer the question.The mat around the picture shown measures x inches across. Which one of the following equations says that the area of the picture itself is 900 square inches?

A. (43 - x)(34 - x) = 900 B. (43)(34) - x2 = 900 C. 2(43 - 2x) + 2(34 - 2x) = 900 D. (43 - 2x)(34 - 2x) = 900

Mathematics

Write the number in scientific notation.Light with a wavelength of 0.00000055 meters is green in color

A. 5.5 × 10-8 B. 5.5 × 10-6 C. 5.5 × 10-7 D. 5.5 × 107

Mathematics