Precal/Review Function

Pascal Triangle

100

What is the top number of Pascal’s Triangle?

1

200

List the numbers in the 2nd row.

1 , 1

300

Add the numbers in the 3rd row.

4

400

What numbers always appear on the outside of Pascal’s Triangle?

1

500

List the coefficients from the 4th row of Pascal’s Triangle (used for (a+b)⁴)

1,3,3,1

Evaluate Function

100

Evaluate f(x)=2x+5 when x=−3

-1

200

A function is given by f(x)=3x−4. Find f(2)

2

300

Evaluate f(x)=x² at x=−3.

9

400

 if f(x) = (2x+3)/5  for x=3

9/5

500

if f(x) = (2x - 5)² evaluate the inverse function f(-1)

49

Function Domain/ Range

100

What is the domain of 

f(x)=x+2?

All real number

200

Determine the domain of 

f(x) = 1/ x-2 

All real numbers except x=2

300

Determine the domain of

 f(x) = 5x/2x-3

All real number except x=3/2

400

Find the range of

 f(x)= x² - 4

y is greater than or equal to negative four

500

Find the domain and range  of 

f(x) = 1/x

Domain : All real numbers except 0

Range: All real numbers except 0

Composite Function

100

f(x)=x+2, g(x)=3x         f₀g(x) = ?

3x + 2

200

f(x)=x−11, g(x)=x²       f_og(x) = ?

f_og(x) = x²-11

300

f(x) = 1/x

g(x) = x+3 

f₀g(2) = ?

f_og(2) = 1/5

400

f(x) = 1/ x-1

g(x) = x²

f₀g (3) = ?

f₀g (3) = 1/8

500

f(x) =3x/(x-2)  g(x) = 4

f₀g(x) = ?

f₀g(x) = 6

Inverse Function

100

Given: y= 2x + 3

Find: Inverse function

f^-1(x)=(x-3)/2

200

Given: y = (x+4)/2

Find: Inverse Function

f^-1(x) = 2x - 4

300

Given : f(x) = ( x - 4)²

Find :Inverse Operation

f^-1(x) = (square root x) + 4

400

Given : f(x) = x² + 5

Find : Inverse Function

f^-1(x) = square root (x-5 )

500

Given : f(x) = (x² - 6 ) / 5

Find : Inverse Function

f^-1(x) = square root (5x + 6)