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