Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 2 - Functions, Equations, and Graphs - 2-1 Relations and Functions - Practice and Problem-Solving Exercises: 40

Answer

$f(-3) = (-3)(-3) +7$ $f(-3) = 9 + 7$ $f(-3) = 16$ $g(3) = (-7)(3) + 3$ $g(3) = -21 + 3$ $g(3) = -18$ $f(-3) - g(3):$ $ 16 -(-18)= 34$

Work Step by Step

The answer is: B (34) In order to get to the answer we must replace the value of x in each function f and g with (-3) and 3, respectively, and then subtract the functions. (The exact mathematical steps are detailed in the answer section.)
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