Answer:
Step 3, because the solution should also include all the values for x between the two given values
Step-by-step explanation:
step 1
we have


step 2
The graph in the given problem
step 3
Identify the solution when 
so

using a graphing tool
The solution is the interval -----> [3,5]
see the attached figure
All real numbers greater than or equal to 3 and less than or equal to 5
therefore
The first step in which the student made an error is step 3
Answer:
The correct answer is D. 37.975.
Step-by-step explanation:
Answer:
6 ballpoints pens is the better buy
Step-by-step explanation:
$4.80 x 6 = $28.80
$6.48 x 8 = $51.84
It's cheaper
Answer:
9/2 +3/2x
Step-by-step explanation:
3/4 (6+2x)
Distribute
3/4*6 + 3/4*2x
18/4 +6/4x
9/2 +3/2x