Exam 2 Review Pt 1

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Add these two functions together (f+g)(x)

• 3x^2-3x+6

• 3x^2+7x-8

• -4x+7

• 3x-6

Subtract f(x) from g(x) (g-f)(x)

• 3x^2+7x-9

• 3x^2+15x-17

• 3x^2+x+7

• 2x^2+x+7

Multiply these two functions together (fg)(x)

• 9x+1

• 14x^2+22x-12

• 14x+30x+7

• 14x^2+7x-1

Divide g(6) by f(6) (g/f)(6)

• 4x-7

• 3x+1

• 14

• 6

Find g of f(x) (g(f(x))

• 14x-20

• 14x+16

• 14x+20

• 5x+3

What is point-slope form?

• y=mx+b

• y-y0=m(x-x0)

• -b/2a

• ur mom

Find the point slope form for a line that has a slope of -2 and goes through the point (3,5).

• y-3=2(x+5)

• y-5=-2(x-3)

• y+5=2(x+3)

• y-5=-2(x+3)

Find point slope form for a line that goes through the points (-1,5) and (2,-1)

• y+5=3(x+1)

• y-5=-2(x+1)

• y-1=2(X-1)

• y+1=-2(x-2)