Which of the following is equivalent to the expression below for all values of x where the expression is defined?
13
x − 1
+
7
x + 1

F
20
x2−1

H
20x+6
x2−1

G
6x+20
x2−1

J
20x
x2−1

1 is b and 2 is d

step-by-step explanation:

answer: y=0 if that is what u r looking for

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation:

f(x)=4

step-by-step explanation: