Questions: What is the value of this function evaluated at f(-3) : f(x) = 2 * 2 + 5x - 9?

Solution Steps

To find the value of the function $f(x) = 2 \cdot 2 + 5x - 9$ at $x = -3$, substitute $-3$ for $x$ in the function and simplify the expression.

To evaluate the function $f(x) = 2 \cdot 2 + 5x - 9$ at $x = -3$, substitute $-3$ for $x$:

$$f(-3) = 2 \cdot 2 + 5(-3) - 9$$

First, calculate the constant term:

$$2 \cdot 2 = 4$$

Next, calculate the term involving $x$:

$$5(-3) = -15$$

Now, substitute these values back into the expression:

$$f(-3) = 4 - 15 - 9$$

Simplify the expression by performing the arithmetic operations:

$$f(-3) = 4 - 15 - 9 = -20$$

Final Answer