Hala18
contestada

Help please ASAP

1. if f(x)= x² + 2x -6 and g(x) = 3x² - 5x -7, find f(x)-g(x)
a. -2x² - 3x + 1
b. -2x² + 7x + 1
c. -2x² - 3x - 13
d. 4x² - 3x - 13

2. find f(-2)
f(x) = 9x² - 5x +2
a. 14
b. 18
c. 28
d. 48

3. if f(x) = x² + 7 what is the value of f(3)?
a. 2
b. 12
c. 13
d. 16

4. find f(-2)
f(x)=3x² - 8x + 7
a. 3
b. 21
c. 35
d. 38

5. what is the slope between the points (3,5) and (-2,-4)?
a. 9/5
b. 1
c. 5/9
d. - 5/9

6. what is the y-intercept of y = 2/3x + 2 ?
a. (2,3)
b. (3,2)
c. (0,2)
d. (-3,0)

7. what is the y-intercept of y = - 4/3x + 4 ?
a. (0,4)
b. (4,0)
c. (0,-4)
d. (-4,0)

8. {(3,2),(-6,2),(7,3),(8,4)}
what is the range of this function ?
a. {2,3,4}
b. {7,3,8,4}
c. {3,-6,7,8}
d. {3,2,-6,2}