Solve for y. show work. answer may be left as decimal. 0.4(y+10)+0.6y=2
2 answers:
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Answer:
(1, 1)
Step-by-step explanation:
We need to evaluate the given expression for each of the x-values and check if the y-value agrees with the y-value given in the pairs:
1) First point (-1,3): use x=-1 and check if y results in "3":
we obtained y=-7, so the point (-1,3) is Not on the graph of the function
2) Second point (0,2): use x=0 and check if y results in "2":
we obtained y=-2, so the point (0,2) is Not on the graph of the function
3) Third point (2,-2): use x=2 and check if y results in "-2":
we obtained y=2 (and not -2), so the point (2,-2) is Not on the graph of the function
4) Fourth point (1,1): use x=1 and check if y results in "1":
we obtained y=1 (the same y as in the given coordinate pair), so the point (1,1) IS on the graph of the function