Function Operations
Domain & Range
Is it a function?
Evaluate Functions
Solve Functions
100
f(x)=x+9 and g(x) = 3x
Find g(2) + f(4)
19
100
Find the domain and range. {(-3,2),(-2,4),(-1,2),(5,4)}
D:{-3,-2,-1,5} R:{2,4}
100
Is the following relation a function? {(-3,2),(-2,4),(-1,2),(5,4)}
What is yes?
100
f(x)= x+3
Find f(5)
What is 8?
100
Write the equation using function notation.
f(x)=3x-5
Find x, when f(x) = 10
What is
x = 5
200
f(x)=-2x-9 and g(x) = x2
Find g(-2) + f(4)
-13
200
Find the domain and range. {(-1,5),(2,3),(4,2),(10,2)}
D:{-1,2,4,10} R:{2,3,5}
200
Is the following relation a function? {(-1,5),(2,3),(4,2),(10,2)}
What is yes?
200
f(x)=2x
Find
f(-3)
What is -6?
200
g(x) = -2x - 5
Find x when g(x) = - 11
What is x=3
300
f(x)=2x2 and g(x) = -3x
Find g(-3) * f(-4)
288
300
Find the range of f(x) = x +3
When the domain is (-1, 0, 3, 4)
Range = 2, 3, 6, 7
300
Is the following relation a function? {(-1,5),(2,3),(4,2),(-1,2)}
What is no?
300
f(x)=5x+3
Find f(x)=-1
What is y=-2?
300
f(x)= 5(2x-4)
Find x when f(x) = 20
What is f of x= 4
400
f(x)=-x+9 and g(x) = -5x
Find 3*g(-3) - f(-5)
31
400
Find the range of f(x) = x2 - 5
When domain is (-3,4,10)
Range = 4,11, 95
400
Is the following relation a function? If not state why.
What is not a function? Fails vertical line test, since the 2's repeat.
400
Find f(-3)
f(x)=x^2
What is f(-3)=9?
400
h(x) = 2(x-5) / 3
Find x when h(x) = 7
What is x=31/2 or 15 1/2
500
f(x)=x+5 and g(x) = 2x
Find 5*g(2) / -2*f(4)
-1 1/9
500
Find the range of g(x) = -2x2
Domain is (-5, -3, -2, -1)
Range = -50, -18, -8, -2
500
Is the following relation a function? If not state why.
What is yes it is a function
500
f(x)=x^2+2x
Find f(-4)
What is f(-4)=8?
500
f(x) = 2x2 - 8
Find x when f(x) = 42
f(x) = 2x2 - 8
What is x=5