Which inequality represents all values of x for which the product below is defined

Question

asked Oct 24, 2020 48.7k views

2 Answers

Gurooj · Answer 1 · 2020-10-30T23:31:53+0000

Answer:

C x >=0

Explanation:

Each term has to be defined

sqrt(5x) >= 0

Square each side

5x >=0

Divide by 5

5x/5 >=0/5

x >=0

sqrt(x+4) >=0

Square each side

x+4 >0=

Subtract 4 from each side

x+4-4 >=0-4

x >=0-4

The first is more restrictive so we use that

x>=0