g(5) means we substitute every x in the equation with a 5.

g(5) = (5)^2 - 4.

g(5) = 21.

**Answer:**

In step 2, Jerome made an error.

**Step-by-step explanation:**

He subtracted 5/6 again in step 2, when you only need to get the variable by itself by multiplying each side by 3. The correct and simplified answer is

**1/2, or one-half**

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$236.25 is how much money carrie got

$78.75 is how much juanita got

**The domain is all real numbers and the range is all the reals at or above the vertex y coordinate (if the coefficient on the squared term is positive) or all the reals at or below the vertex (if said coefficient is negative).**