The graph of the function f(x)=(x-4)(x+1) is shown below. which statement about the function is true?

(1) the function is increasing for all real values of X where X < 0

(2) the function is increasing for all real numbers of x where X < -1 and x>4

(3) the function is decreasing for all real numbers of x where x< 1.5

(3) the function is decreasing for all real numbers of x where x< 1.5

Step-by-step explanation:

The function given in this problem is

which can be rewritten as:

A function is:

- Increasing over a certain interval if the first derivative is positive in that interval

- Decreasing over a certain interval is the first derivative is negative in that interval

So we start by calculating the first derivative of this function. We get:

This function is positive when:

Which means, when x > 1.5.

So the function is:

- Increasing for x > 1.5

- Decreasing for x < 1.5

So the correct option is

(3) the function is decreasing for all real numbers of x where x< 1.5

i got 142 as my answer

step-by-step explanation:

step-by-step explanation:

given that ab is divided into equal parts as

ac, cd, de, ef, fg, gh, hi, ib.

from this we find that f is the midpoint of ab.

so using mid point formula we find

f = (3,7)

similarly considering fb, we get

h = mid point of fb = ((6,6) and g, mid point of fh is

g = (9/2, 13/2)

i is mid point of hb

so i =(15/2,11/2)