University:
Santa Ana College
Course:
MATH 170 | Pre-Calculus Mathematics
Academic year:

2019
Views:

246

Pages:

3
Author:

agatoary6zt

1) Given f(x) = -2x2 + 3x find each of the following: f(-3); f(2); f(-a); f(a+h) 2) Determine whether the functions are one-to-one.... a)/(x)=-3x+5 b)/(x)=jx-31 3) Find the domain of each, express answers in interval notation x+l 5 a) f(x) f(x)= 2 =-3x_+_2 b) -x___4_x___1_2 c) f(x) ✓ = 6-3x x +I for x < -2 4) Graph the piecewise function: f (x) = { -2x-3 for x�-2 5) Find the average rate of change for f(x) = I Ox 2 + x b) from [4, 4+h] a) From x = 1 to x = 2 6) Given f(x) = 3x + 2 a) (f o g)(x) 7) Given f(x) = x and g(x) = 5-6x find each: b) (go g)(x) +½x+ 4 and g(x) = _!_ find (f o g)(x) X 8) Using transformations sketch a graph of the given functions: a) f(x) = (x-3) 2 b) f(x) =-Ix+ 4j + 3 9) Given the graph of f(x), sketch the graph of each: 1 b) g(x) = -- f(x) 2 a) g(x) = f(x +10) 10) Solve the absolute value equations: a) !x+41=18 ✓x +5 c)f(x)= b) 2lx-Il-5=9 11) Solve the inequalities and graph on a number line, state the solution in interval notation: a) !3x-21<7 b) l½x+21�5

Math 170 Practice Test 1 Solutions

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