-7x + y = -19 -2x + 3y = -19
2 answers:
Answer:
(x, y) = (2, -5)
Step-by-step explanation:
Subtract 3 times the first equation from the second:
(-2x +3y) -3(-7x +y) = (-19) -3(-19)
19x = 38 . . . simplify
x = 2 . . . . . . divide by 19
Substituting into the first equation, we have ...
-7(2) +y = -19
y = -5 . . . . . . . . add 14
The solution is (x, y) = (2, -5).
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Answer:
- a. image 1
Step-by-step explanation:
<u>Given function:</u>
- f(x) = 2*3ˣ
<u>Plot two points and check which graph has those:</u>
- f(0) = 2*3⁰ = 2
and
- f(1) = 2*3¹ = 6
Points (0, 2) and (1, 6) are correct on the image 1 with blue graph
