Equations
A / S / N
Input / Output
100

3/4 x = 15

x = 20

100

The cube root of a positive number will ( always / sometimes / never ) be positive

Always

100

Evaluate f(3) for 

f(x)=sqrt(x+1)-13

-11

200

-3x-5=16+4x

x=-3

200

Say x3 = y

y will ( always / sometimes / never ) be greater than x

sometimes

200

What input produces an output of -21 for:

g(x)=-3abs(x+9)

x = -2 AND x = -16

300

1/2x-2x=x+1

x = -2/5

300
A graph that is a straight line is ( always / sometimes / never ) a function

sometimes

300

Evaluate f(-5) for

f(x)=-x^2 -x

-20