Answer:
0.83
Step-by-step explanation:
Answer:
C. (7, 14)
Step-by-step explanation:
You are given the equation and points (x, y) to plug into that equation. See which ones satisfy. The left side must equal the right side (7 in this case) when evaluating...
-5(7) + 3(14) = 7
-35 + 42 = 7
7 = 7
The point (7, 14) works. The other points will not yield the same result..
EX: (2, -1)
B is a wrong answer because...
-5(2) + 3(-1) = 7
-10 - 3 = 7
-13 = 7
-13 does not equal 7, so that is a wrong answer
Answer: All real numbers less than or equal to 3.
Explanation: I took a test with this question and got it right.
ANSWER

EXPLANATION
The given expression is;

We want to find the value of this expression when x=2 and y=4.
We substitute to get,


Recall that

This implies that,

