Functions and relations
Function operations
Polynomials
Inverse Function
Absolute value
100
(9,2) (8,9) (2,8) is a
Function
100
g(n) = n + 4 + 2n
h(n) = −3n + 2
Find (g ⋅ h)(1)
−7
100
(x+5) (x-2)
x2 + 3x - 10
100
f (n) = −(n + 1) 3
g(n) = 3 + n 3
is it a function?
No
100
|6m| = 42
{7, -7}
200
(-2,-1) (-22,-1) (-2,-1) (-1,-1) (-12,-1) is
Nonfunction
200
g(a) = 2a − 1
h(a) = 3a − 3
Find (g ⋅ h)(−4)
135
200
(x+2)-(x-15)
x2 -13x-30
200
g(x) = 1 /x − 2
solve the problem
g -1(x) = 1 /x + 2
200
|7 + p| = 7
{0 , -14}
300
What is a the rule for something to be a function
Has to only have one input
300
g(a) = 3a + 2
f (a) = 2a − 4
Find ( g f ) (3)
11/2
300
(x2 + x +3) + (x2 + 2x)
x4 + 3x3 +5x2 + 6x
300
f (n) = 2(n − 2)3
g(n) = 4 +3√4n divided by 2
Is it a function?
Yes
300
|−9 + v| / 8 = 3
{33,-15}
400
Is this functions,if yes explain
yes, Because it passes the VLT
400
If f(x)= 4x - 7 and g(x) =3x +18, and h(x) = -5x+2, find (f+g-h)(x)
12x + 9
400
(7j3 - 2) + (5j3 - j -3)
12j3 - j - 5
400
g(x) = −4x + 1
solve
g-1(x) = -1/4 x+ 1/4
400
−10 |v + 2| = −70
{5, -9}
500
Is this an example of a function?If so why?
yes because none of the closed circles over lap.
500
g(x) = 2x − 2
f (x) = x 2 + 3x
Find (g*f )(−2 + x)
2x 2 − 2x − 6
500
(5x3+3x2+5)-(7x3-9x2+8x-5)
-2x3+12x2-8x+10
500
h(x)=3√x − 3
find the answer by solving the problem
h -1(x) = (x + 3)3
500
|x/7| − 8 = −7
{7, -7}