Semester 1 Final review Algebra 1

What does f(n-1) mean in an equation? Example: f(c)=2+f(n-1); f(1)=2

• f(n-1) means PREVIOUS TERMS

• f(n-1) means substitute any number in for n

What statement is TRUE about f(x)=4x+1 and g(x)=3x+1

• f(x) has a steeper slope than g(x)

• g(x) has a steeper slope than f(x)

• f(x) has greater y-intercept than g(x)

• g(x) has greater y-intercept than f(x)

What is NOT TRUE about domain and range

• Domain is the x-values and Range are the y-values

• Domain is the input and Range is the output

• Domain is the Independent Variable and Range is the Dependent Variable

• Domain is the words and Range is the letter

Rate of change is the same thing as....

• Slope

• Changing time

• x-intercept

• y-intercept

What is the equation for this graph?

• y = -2x+5

• y = -2x-5

• y = 2x+5

• y = 2x-5

What is the equation for the graph?

• y = 1/2x-2

• y = 1/2x+2

• y = -1/2x-2

• y = -1/2x+2

Something is a function if ____ does NOT repeat.

• x

• y

Is the following a function?

(1,2) (1,3) (4, 5) (6, 7)

• Yes; y does not repeat

• No; x repeats

Is the following a function?

(1,2) (2,2) (4, 5) (6, 7)

• Yes; x does not repeat

• No; y repeats

• A

• B

• C

• D