Solving Equations
Absolute Value Functions
Inverse Functions
Composite Functions
Piecewise Functions
100

Solve

3x+(x+4)/7=6

x=19/11

100

Girls selected for a dance team must be 165 cm in height with a tolerance of 5 cm.  Write an Inequality to model this situation.

|x-165|<5

100

Find the Inverse Function of

f(x)=x^3–8

f-1(x)=

root(3)(x+8)

100

What is (f-g)(x)?
f(x)=-4x+4
g(x)=x2-x-2

-x2-3x+6

100

Find f(-8)

f(x)=3x-4 if x<=6

f(x)=5/4x-3  if x>6

-28

200

Solve

-2x^2+12x=-80

x=-4 & x=10

200

A candy manufacturer puts 240 pieces of candy into each bag.  The bag can be off by 8 pieces.  Write and solve an equation to represent this situation.  

|x-240|=8  Max is 248, Min is 232

200

Find the Inverse Function of

g(x)=sqrt(x)-2

f_1(x)=

(x+2)^2 {x>=-2}

200

What is (f*g)(x)?
f(x)=-3x2
g(x)=2x3-6x+1

-6x5+18x3-3x2

200

Find f(11)

f(x)=3/2x+2 if x<=6

f(x)=x+9  if 6<x<8

f(x)=4  if x>=8

4

300

Solve

x/3-(x+5)/11=5

22.5

300

Solve

3|5m + 8| + 8 = 11

m=-7/5 & m=-9/5

300

Find the Inverse Function of

f(x)=-5x+4

f-1(x)=

-(x-4)/5

300

Find 

(a@b)(-2)

a(x)=-x^2-6x+1

b(x)=2x^2

-111

300

Find f(3)

f(x)=5x-8 if x<7

f(x)=6x+2  if x>=7

7

400

Solve

5/3x-12<15(1/5x+4)


x> -54

400

What is the Domain & Range of 

y=-|x-5|+3

Domain:  All Real Numbers

Range:  

y<=3

400

Find the Inverse Function of

y=(x-7)^2{x>=7}

f-1(x)=

sqrt(x)+7

400

f(x)=-x2+5x-4
g(x)=x-5

Find 

(f@g)(x)

(g@f)(x)

(f@g)(x)=-x^2+15x-54

(g@f)(x)=-x^2+5x-9

400

Find f(-8)

f(x)=-3x-7 if x<=-8

f(x)=2x-14  if -8<x<+7

f(x)=4x+2  if x>=7

17

500

Solve

7n-8>=5n-6

n>=1

500

How does the Following Absolute Value Function transform the Parent Function y= ? 

y=-1/5|x-7|+3

Reflects over the x-axis.
Compresses Vertically
Shifts Right 7 Units & Up 3 Units.

500

Find the Inverse Function of

f(x)=4(3x+1)3+2

f-1(x)=

1/3root(3)((x-2)/4)-1/3

500

p(x)=x2
q(x)=-2x2-4x+3
Find 

(p@q)(x)

(p@q)(x)=4x^4+16x^3+4x^2-24x+9

500

Find f(3)

f(x)=x+6 if x<=-2

f(x)=1/2x  if -2<x<=4

f(x)=-x+2  if x>4

x=1.5  or  3/2