Answer:
f(7) = -113
Step-by-step explanation:
Hello!
Substitute 7 for x in the equation.
<h3>Evaluate</h3>
- f(x) = -4x² + 10x + 13
- f(7) = -4(7)² + 10(7) + 13
- f(7) = -4(49) + 70 + 13
- f(7) = -196 + 70 + 13
- f(7) = -113
f(7) is -113.
6 inches because area= length times width and 6 times 8= 48 inches

keep in mind that, a negative coefficient to "x", will make the graph reflect over the y-axis.
Answer
a
Step-by-step explanation:
because submarine b has a bigger negative number so its more further down