Problem ID: Which number line shows all the values of x that make the inequality - 3x + 1 < 7 true?

A

-5

4

0

-3

5

-2

N + NE

4

- البیا بیا بیا

-3

-4

-2

B

-5

С

-5

D-

-5

A A A

in un

4

-4

-نما

2

-2

-3

4.

2

-1

N

N

0

3

5

Select one:

ОА

OB

Ос

OD

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Im so bad at fractions they are not my best math thing to work on