91Ó°ÊÓ

The simplified form of $79.3-\left(-14\right)$.

Find a counterexample for each conditional statement.

If you attend the banquet, then you will eat the food.

Evaluate each expression using properties of numbers. Name the property used in each step.

$7\frac{2}{5}+5+2\frac{3}{5}$

Evaluate each expression if $g=2$, $r=3$and $t=11$.

$\left(2t+3g\right)÷4$

Write a verbal expression for each algebraic expression.

$\frac{3a^5}{2}$

Estimate each square root to the nearest whole number.

$\sqrt{24}$

Find each product or quotient. Write in simplest form.

$\frac{1}{3}÷2\frac{1}{4}$

Evaluate each expression if $\mathit{a}\mathbf{=}\mathbf{−}\mathbf{1}\mathbf{,}\mathbf{\text{ }}\mathit{b}\mathbf{=}\mathbf{4}\mathbf{,}\mathbf{\text{ a²Ô»å}}\mathit{c}\mathbf{=}\mathbf{6}$.

33.$\mathit{a}\mathbf{−}\mathit{b}\mathbf{+}\mathbf{5}\mathit{a}\mathbf{−}\mathbf{2}\mathit{b}$

A grandfather clock that is over 100 years old has increased in value rapidly from when it was first purchased. What will be the nature of the slope?

Examples 4 and 5 If$f\left(x\right)=−2x−3$ and$g\left(x\right)=x^2+5x,$ find each value. (P. 50)

$f(−1)$