7x^2 - 3x^2 = 4x^2
-2x+4X=4X
5+ 10 = 15
4x^2 + 4x + 15
Answer:

Step-by-step explanation:

The correct answer is none of the ones listed. The correct answer is 18/5.
In order to find this, follow the order of operations.
−(−2−5x)+(−2)=18 ---> Distribute the negative
2 + 5x - 2 = 18 ----> Combine like terms
5x = 18 -----> Divide by 5
x = 18/5
Answer:
a, d, f
Step-by-step explanation:
Answer:
always increasing
Step-by-step explanation:
When you look at the graph from left to right on the x-axis the y-axis is always increasing in value.