Evaluate Functions

Front

What operation comes first in the expression (8 x 7 - 6) ÷ 30 and why?

Back

Multiplication, because it is inside the parenthesis.

Front

What mnemonic can help you remember the order of operations?

Back

Sorry, Please Excuse My Dear Aunt Sally.

Front

Evaluate the function f(x) = 2x² + 5x - 17 for x = -1.

Back

f(-1) = -20.

Front

Evaluate the function f(x) = x² - 100 for x = -3.

Back

f(-3) = -91.

Front

Evaluate the function h(t) = -t + 3 for t = -5.

Back

h(-5) = 8.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does it mean to evaluate a function?

Back

To find the output of a function for a given input value.

Front

If f(x) = 3x + 4, what is f(2)?

Back

f(2) = 10.

Front

If g(x) = x² - 4x + 4, what is g(2)?

Back

g(2) = 0.

Front

What is the value of f(0) if f(x) = 5x - 3?

Back

f(0) = -3.