F(x) = -(x+7)² + 4
f(x) = -(x+7)(x+7) + 4
f(x) = -(x² + 7x + 7x + 49) + 4
f(x) = -x² - 14x - 49 + 4
f(x) = -x² - 14x - 45
True for f(x)
<span>the equation is quadratic.
the vertex is (7,4)
</span><span>the y-intercept is (0,4)</span>
12 nickels and 8 dimes. Hope this helped! :)
Answer:
9.28 is lowest
9.685 is highest
Step-by-step explanation:
