Answer the attached question by selecting of the the given answers.

C

Step-by-step explanation:

Factor, where possible the expressions on the numerators/ denominators

3x - 21 = 3(x - 7) ← common factor of 3

x² + 3x = x(x + 3) ← common factor of x

7x - 49 = 7(x - 7) ← common factor of 7

The rational expression can now be written as

×

Cancelling the factors x, x - 7 on the numerator/denominator leaves

→ C

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5