1D: Composition
1E: Inverses
2A: Absolute Value Equations
2B: Absolute Value Inequalities
Are you as well-educated as a fourth-grade student?
100

Given  f(x)=3x+2 and 

 g(x)=x-5 , what is 

 (f\circg)(2) ?

-7

100

Find the inverse of 

 t(x)=3x-2 

t^-1(x)=(x+2)/3

100

Solve the equation:

|x-3|=0

x=3

100

Graph 

-3<x<1

100

Copying another person's words or ideas without giving them proper credit is called...

Plagiarism


4th grade English

200

Given tables for  f(x) and  k(x) below, what is  k(f(0)) ?

-7

200

Given the table of  y below, write the table for  y^-1 

200

Solve the equation

|x-3|=4

x=7, -1

200

Solve the inequality 

|x+5|>1

x<-6,x> -4

200

Express as an improper fraction:

 1/2+3/4 

5/4


4th grade Math

300

Given 

 v(x)=3x-5 and  w(x)=(x+14)/3 what is  w(v(x)) fully simplified?

x+3

300

Prove whether f(x)=x^2-3 and  g(x)=sqrt(x+3) are inverses.

f(g(x))=(sqrt(x+3))^2-3=x+3-3=x

g(f(x))=sqrt((x^2-3)+3)=sqrt(x^2-3+3)=sqrt(x^2)=|x|

They are not!

300

Solve the equation

3|2x-1|=15

x=3,-2

300

Solve the inequality

|3x-2|<=6

-4/3<=x<=8/3

300

What causes the Northern Hemisphere to experience summer?

The Earth is tilted toward the Sun


4th grade Science

400

Given the graphs of  h(x) and  k(x) below, what is  h(k(1)) ?

2

400

Find the inverse of  y=8^(x-3) 

y=log_8(x)+3

400

Solve the equation

|3x+7|+12=5

No solution!

(  |3x+7|=-7  )

400

Solve the inequality

-6|x-17|<18

All real numbers!


(   |x-17| > -3   )

400

What did the Virginia Company of London Charter (April 10, 1606) do?

It established the Jamestown colony.


4th grade History

500

Given  f(x)=3x-1 and 

 g(x)=2x^2-1 , what is 

 (g\circf)(x)  fully simplified?

18x^2-12x+1

500

Find the inverse of  R(x)=(2x-7)/(3x-2)

R^-1(x)=(2x-7)/(3x-2)

 

500

Solve the equation

|x-1|=5-3x

x=3/2

500

Write the absolute value inequality represented by this graph:

|x-1|>=3

500

What are the two bones in the forearm called?

Radius and Ulna


4th grade Physical Education