함수 단원 종합

T.1Write function or not a function.

1. 1
   $\{(-6,-6),(0,-9),(5,0),(7,-7),(4,2)\}$ 
2. 2
   $\{(7,6),(4,-2),(-6,3),(-2,5),(-1,6)\}$ 

T.2Evaluate each function.

1. 3
   $g(x)=\frac{1}{3}x$; $g(-9)=$ 
2. 4
   $g(x)=-\frac{1}{2}x+1$; $g(4)=$ 

T.3Complete each table.

1. 5
   $y=2x-3$ $\begin{array}{cccccc}x& -1& 0& 3& 6& 9\\ y& & -3& & & 15\end{array}$
2. 6
   $y=x-6$ $\begin{array}{cccccc}x& -2& 0& 3& 4& 7\\ y& -8& -6& & & \end{array}$

T.4Write a linear function y = mx + b for each table.

1. 7
   $\begin{array}{ccccc}x& 1& 2& 3& 5\\ y& 6& 4& 2& -2\end{array}$
2. 8
   $\begin{array}{ccccc}x& 2& 3& 5& 7\\ y& 12& 14& 18& 22\end{array}$

T.5Write a linear function for each situation.

1. 9
   A candle is $26$ cm tall and burns $1$ cm each hour. Write its height $y$ after $x$ hours.
2. 10
   A candle is $12$ cm tall and burns $1$ cm each hour. Write its height $y$ after $x$ hours.

T.6Write linear or nonlinear.

1. 11
   $y=x^3$ 
2. 12
   $\begin{array}{ccccc}x& 1& 2& 5& 7\\ y& -3& 0& 9& 15\end{array}$ 

T.7Write the domain and range of each relation.

1. 13
   $\{(3,0),(-4,1),(-2,6),(-3,0),(1,-1)\}$
2. 14
   $\{(1,-7),(4,-6),(-8,1),(-1,7),(4,1)\}$

T.1Identify Functions

1. 1function
2. 2function

T.2Evaluate Functions

1. 3$-3$
2. 4$-1$

T.3Complete Function Tables

1. 5$-5$, $3$, $9$
2. 6$-3$, $-2$, $1$

T.4Write a Linear Function from a Table

1. 7$y=-2x+8$
2. 8$y=2x+8$

T.5Write Linear Functions from Situations

1. 9$y=-x+26$
2. 10$y=-x+12$

T.6Linear or Nonlinear Functions

1. 11nonlinear
2. 12linear

T.7Domain & Range

1. 13domain $\{-4,-3,-2,1,3\}$, range $\{-1,0,1,6\}$
2. 14domain $\{-8,-1,1,4\}$, range $\{-7,-6,1,7\}$