Solve.log2(x + 4) + log2(x - 2) = 4

A. 5
B. -6
C. 4
D. 4, -6


Answer: C

Mathematics

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Provide an appropriate response.A trucker handed in a ticket at a toll booth showing that in 2 hours he had covered 230 miles on a toll road with speed limit 65 mph. The trucker was cited for speeding. Why?

What will be an ideal response?

Mathematics

Solve the inequality. Give the solution set in both interval and graph forms.-10a + 12 > -11a + 10

A. (22, ?)

B. (-2, ?)

C. (-?, 22)

D. (-?, -2)

Mathematics

Find the nth term an of the geometric sequence.8, 16, 32, 64, 128, . . .

A. an = (8)(2n) B. an = (8)(2)n C. an = (8)(2)n-1 D. an = a1 + 2n

Mathematics

Solve the problem.A building has an entry with the shape of a parabolic arch 14 ft high and 16 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.A = 14 ftB = 16 ft

A. x2 = -18.3y B. y2 = -18.3x C. y2 = -4.6x D. x2 = -4.6y

Mathematics