Choose all that are correct given the equation:
2 answers:
Answer:
A), B) & D).
Step-by-step explanation:
Answer:
A) y = 7.25 when x = –7
C) y = 8.5 when x = –4
D) y = 10.25 when x = 5
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Answer:
y=3cos(x)
y=\sin(2x)+3y=sin(2x)+3
y=\tan(x)+3y=tan(x)+3
P’(-10,-12) Q’(-2,4) R’(8,8)
x + y = 52
x = y - 18
Adding,
2x + y = 52 + y - 18
2x = 34
x = 17
y = x + 18 = 35
Check: x+y = 17+35 = 52, good
Answer: 17 and 35
3(x + 4) = x/2 - 8
First, we can multiply both sides by 2:
6(x+4) = x - 16
6x + 24 = x - 16
Isolate x:
5x = -16 - 24
5x = -30
x = -6