Question

Emily is evaluating the expression 3x+4 for positive, rational valie of x Select all thr statments that must be true.

Answer 1

Step-by-step explanation:

Emily wants the result of 3x + 4 to be positive.

Let's check the options:

a) 3x + 4 > 0

3x > -4

x > -4/3

The value of 3x + 4is greater than zero

b) 3x + 4 > 4

3x > 4 - 4

x > 0

For the result of 3x + 4 to be positive, the value of x must be greater than 4

c) check if 3x + 4 will give whole numbers

if x = 1/2

3(1/2) + 4 = 1.5 + 4 = 5.5

The value of 3x + 4 may not give whole numbers

d)