Find the equation of a vertical line passing through the point (-1, -2).
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(d) x = -1
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Which of the following physical situations would best be modeled by the graph?
A. The length y of a shadow cast by a tree between sunrise and noon, where t is the angle of elevation of the sun.
B. The monthly average ocean temperature y in degrees Fahrenheit during month t, where t = 1 corresponds to January.
C. The length y of a shadow cast by a horizontal flagpole on a vertical wall between sunrise and noon, where t is the angle shown.
D. The number of hours y of sunlight during month t, where t = 1 corresponds to January.
Factor.x3 - 8
A. (x - 2)(x2 + 2x + 4) B. (x + 2)(x2 - 2x + 4) C. (x + 8)(x2 - 1) D. (x - 2)(x2 + 4)
Given f(x) and g(x), find the indicated composition and evaluate.f(x) = 6x - 6; g(x) = -7x2 - 8x - 7Find (f ? g)(4).
A. -2419 B. -408 C. -912 D. -277
Solve the system of equations by graphing. If the system is inconsistent or the equations are dependent, say so. 3x + 2y = 5-6x - 4y = 5
A. {(-1.5, -1)} B. ? (inconsistent system) C. {(1.5, -1)} D. {(1, 1)}