College Algebra Chp. 2: Question Preview (ID: 21830)


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What is the domain of f?
a) (-infinity, +infinity) b) (-2, 2) c) (-infinity, 1) d) (-infinity, 6)
What is the range of f?
a) (-infinity, 1) b) (-infinity, +infinity) c) (-3, 1) d) (-5, 5)
What is f(0)?
a) 0 b) 1 c) -1 d) 3
What are the zeros (x-intercepts) of f?
a) 1 b) -3 and 3 c) -2 and 2 d) 0
What is the y-intercept of f?
a) 1 b) -1 c) 0 d) none
What are the intervals of increasing?
a) (2, infinity) b) (-2, 2) c) (-infinity, -2) d) (-infinity, 1)
What are the intervals of decreasing?
a) (2, +infinity) b) (1, +infinity) c) (-2, 2) d) (2, -infinity)
What are the intervals of constant?
a) (0, 1) b) (-3, 3) c) (-2, 2) d) none
Is f even, odd, or neither?
a) even b) odd c) neither d)
Determine the maximum of f(x) = -x^2 + 4.
a) (4,0) b) (0,-4) c) (0,4) d) No maximum
Which word does NOT describe domain?
a) input b) x values c) across d) up and down
Which relation is NOT a function?
a) (1, 2) (2, 3) (2, 3) (4, 6) b) (3, 1) (4, 2) (6, -2) (3, 7) c) (1, 1) (2, 2) (3, 3) d) (6, 0) (4, 0) (-2, 0) (1, 0)
If f(x) = 3x^2 - 7x find f(-2)
a) 2 b) -2 c) -26 d) 26
What is the slope of the line 6x - 2y = 12
a) 6 b) -3 c) 3 d) -6
Describe the lines as parallel, perpendicular, or neither: y = 3x + 7 and 8y = -24x + 32
a) parallel b) perpendicular c) neither d)
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