Use the vertical-line test to determine whether the graph represents a function.
A. Yes
B. No
Answer: A
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Provide an appropriate response.Find the equation of a line passing through the point (3, 1) with slope 2. Solve for y.
A. y = 2x + 5 B. y = -2x + 7 C. y = -2x - 7 D. y = 2x - 5
Find the indicated composite for the pair of functions.f(x) = 
; g(x) = 9x + 4Find (g?f)(x)
A. x + 8
B. x
C. 9x + 32
D. x - 
Solve the problem.The value V of a car that is t years old can be modeled by V(t) = 19,558(0.82)t. According to the model, when will the car be worth $6000? Round to the nearest tenth of a year.
A. 51.1 yr B. 6.0 yr C. 0.9 yr D. 1.8 yr
Give the domain and range of the relation.y = 
A. domain: (-?, 14) ? (14, ?); range: (-?, ?) B. domain: (-?, 14) ? (14, ?); range: (-?, 0) ? (0, ?) C. domain: (-?, ?); range: (-?, ?) D. domain: (-?, ?); range: (-?, 0) ? (0, ?)