Graph the function.f(x) = log2 x

A.

B.

C.

D.


Answer: A

Mathematics

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Write each inequality in interval notation and graph the interval on a number line.-4 ? x < 0

A. (-4, 0]

B. [-4, 0)

C. (-4, 0)

D. [-4, 0]

Mathematics

Find the solution to the system of equations by the substitution method.  x - 4y = -52x - 3y = -10

A. (-4, -5) B. (-4, 0) C. (5, -1) D. (-5, 0)

Mathematics

Graph the equation.25x2 + 9y2 = 225

A.

B.

C.

D.


Mathematics

Solve the problem.A rotating beacon is located 4 ft from a wall. If the distance from the beacon to the point on the wall where the beacon is aimed is given by a = 4|sec 2?t|,where t is in seconds, find a when t = 0.34 seconds. Round your answer to the nearest hundredth.

A. 7.88 ft B. -7.47 ft C. 8.30 ft D. 7.47 ft

Mathematics