**Answer:**

**Step-by-step explanation:**

A vertical stretch of a function means the output values have changed by a factor of 3 or multiplication by 3. Recall, an exponential function has the basic form

.

If our equation is , then a=1. To stretch it vertically by a factor of 3, we multiply a by 3. So 1(3)=3. The value of a now becomes 3.

**Answer:**

16 inches

**Step-by-step explanation:**

Area of rectangle = 528 square inches

length * width = 528

33 * base = 528

The rule for a reflection in the line y = x is (x,y) --> (y,x)

so (-6,-4) -----> (-4 , -6)

Answer

**(-4 , -6)**

**Every rational number is a perfect square.**