Answer:
B. 1 5/6
Step-by-step explanation:

Answer:
$7.76
Step-by-step explanation:
Let x be the amount he was making before the raise.
He had an increase of 3.1% of x added to x which resulted in a new salary of $8.00 per hour.
Mathematically:

x = $7.76
He was making $7.76 before the raise.
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Answer:
Please see attachment
Step-by-step explanation:
Please see attachment
Let f(x)=0.

Using the zero-factor property, equate each factor to 0 and then solve for x.

Thus, the zeros of the given function are 6 and -5.
The zeros are the x-coordinate where the graph touches the x-axis.
Thus, the x-coordinates of where the graph touches the x-axis are -5, and 6.