Adding functions
Multiplying
Function fun
Function Identifier
Mixed
100

What is the sum of these two functions

f(x)=2x+3

g(x)=-x^2+5

-x^2+2+8

100

Given that f(x)=2x−3 and g(x)=x+1 multiply the two functions

2x^2-x-3

100

What do you use to see if something is a function?

A vertical line test

100

Is this a function

Yes

100

Store A is selling 7 pounds of bananas for $7.00. Store B is selling 3 pounds of bananas for $6.00. Which store has the better deal?

 Store A because Store A is the cheapest.

200

Given that f(x)= x+1

g(x)= x^2−2x+5

Find (f+g)(x)

x2-x+6

200

•Find the product of

•F(g(−4) if f(x)=x+2

•g(x)=x−5

f(g)(-4)=18

200

What is the domain of (f/g)(x)?

F(x) = -3x2

G(x) = -4x + 6

All real numbers except 1.5

200

Find the range (y-values) of f (x) =−x + 4 for the domain {–3, –2, –1, 1}


7,6,5,3

200

Using elimination solve this system of equations

6x−5y=8

−12x+2y=0

x=−13, y=−2


300

What is (f+g)(x)?

f(x)=–4x+4

g(x)=5x

x+4

300

c(y)=3y−4

d(y)=3−2y

Multiply the two functions

-6y^2+17y-12

300

What is the domain of (f/g)(x)?

F(x) = -2x2

G(x) = -3x + 6

All real numbers except 2
300

Model the function rule y = 3x + 5 with a table of values starting from -2 to 2

(-2,-1),(-1,2),(0,5),(1,8),(2,11)


300

Add 5 + 6i and 7 − 3i

12 + 3i

400

What is the sum of the functions

f(x)=x+2/3x

g(x)=x-3/24x

9x+13/24x

400

What is (f x g)(43)?

F(x) = -4x+2

G(x) = -2x^2


14794

400

•Perform the indicated function evaluations for f(x)=3−5x−2x2

•f(x)=3−5x−2x2

•A) F(4)

•B) F(0)

A= -49, B= 3

400

What function is f(x)=150

400

subtract 2 + 3i from 4 + 7i

2 + 4i

500

What is the sum of these two functions

f(x)= 20x^3+12x^2-56x+9

G(x)=21x^4+45x^2+865-6x

21x^4+20x^3+57x^2-62x+874

500

What is the product of f(x)=2x+5 and (-5x^2-5)^2

50x^5+125x^4+100x^3+250x^2+50x+125

500

What is the domain of (f/g)(x)?

F(X)= -3X+6 and g(x)= 3x2

All real numbers except 0

500

What function is f(x)=5x^3-2x^2+10x-50

500

Using substitution solve this system of equations

7x−8y=−12

−4x+2y=3

x=0, y=32.