Functions (Review)

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Rewrite the logarithmic equation. $\log_3y=4$  

•  $4^y=3$  

•  $4^3=y$  

•  $3^4=y$  

•  $y^4=3$  

Tags

CCSS.HSF.BF.B.5

Rewrite the exponential equation. $4^3=64$  

•  $\log_364=4$  

•  $\log_464=3$  

•  $\log_34=64$  

•  $\log_43=64$  

Tags

CCSS.HSF.BF.B.5

Rewrite the logarithmic equation. $\log_xy=21$  

•  $y^{21}=x$  

•  $21^x=y$  

•  $x^{21}=y$  

•  $y^{21}=x$  

Tags

CCSS.HSF.BF.B.5

Rewrite the logarithmic equation. $\log_xy=21$  

•  $y^{21}=x$  

•  $21^x=y$  

•  $x^{21}=y$  

•  $y^{21}=x$  

Rewrite the exponential equation.  $3^2=9$  

•  $\log_39=2$  

•  $\log_92=3$  

•  $\log_29=3$  

•  $\log_32=9$  

Tags

CCSS.HSF.BF.B.5

Rewrite the logarithmic equation.  $\log_381=4$  

•  $81^3=4$  

•  $4^3=81$  

•  $3^4=81$  

•  $3^{81}=4$  

Tags

CCSS.HSF.BF.B.5

Rewrite the exponential equation.  $x^2=17$  

•  $\log_x17=2$  

•  $\log_x2=17$  

•  $\log_217=x$  

•  $\log_x2=17$  

Tags

CCSS.HSF.BF.B.5

Rewrite the logarithmic equation.  $\log_x23=1$  

•  $x^{23}=1$  

•  $23^1=x$  

•  $x^1=23$  

•  $23^{x\ }=1$  

Tags

CCSS.HSF.BF.B.5

Rewrite the exponential equation. $y^7=11$  

•  $\log_7y=11$  

•  $\log_7y=11$  

•  $\log_{11}y=7$  

•  $\log_y11=7$  

Tags

CCSS.HSF.BF.B.5