Question

Which statement best describes the graph of x3 - 3x2 - 4x + 12?

Answer 1

It starts down on the left and goes up on the right and intersects the x-axis at x = -2, 2, and 3.

It starts down on the left and goes up on the right and intersects the axis at x = -2, 4, and 3.

It starts up on the left and goes down on the right and intersects the axis at x = -2, 2, and 3.

It starts up on the left and goes down on the right and intersects the axis at x = -2, 4, and 3.

Answer 2

@ninjasandtigers

Answer 3

c

Answer 4

thanks one more please


If (x + 3)2 = 42, what is the approximate positive value of x?

0.48

3.48

5.48

6.48

Answer 5

(x+3)(x+3)=42
x^2+6x+9=42
x^2+6x-33=0

use the quadratic formula

Answer 6

okkk thanks

Answer 7

welcome :)

Answer 8

oh my gosh, this may sound weird but you remind me of my friend because of your username :p @liorafanny

Answer 9

hahaha thats funny

Answer 10

btw i still cant figure out the answer :/

Answer 11

3.48

Answer 12

ok and another question

Answer 13

A ball is thrown upward from the top of a building. The function below shows the height of the ball in relation to sea level, ft, in feet, at different times t in seconds:

f(t) = -16t2 + 32t + 90

The average rate of change of f(t) from t = 4 seconds to t = 6 seconds is _____ feet per second.

Answer 14

sorry but I really have to take my test and I'm being timed >_<

Answer 15

kk its fine