Answer
$f$ can include $(-2,3)$
$a=\frac{3}{4}$
Work Step by Step
$(-2,3)$ is in second quadrant, so only the function $f$ could go through this point.
$$f(x)=ax^2$$
Substitute $x=-2$ and $f(x)=3$ to find $a$:
$$3=a(-2)^2$$
$$3=4a$$
$$a=\frac34$$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 8 - Graphing Quadratic Functions - 8.1 - Graphing f(x) = ax^2 - Exercises - Page 424: 23
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