A) The solutions to this set of equation is where the graphs cross. They cross at point (-3, -2).
B) The solutions for f(x) would be points that fall on the graph of f(x). Two possible points are (-3, -2) and (-7, 3)
C) These 2 functions cross at (4, 1). That is the solution.
Answer:
The plane flew for 3 hours at 105mph and 115mph for 5 hours
Step-by-step explanation:
Sec∅ = 1/cos∅
= 1/cos(240)
= 1/cos(180 + 60)
= 1/-cos(60)
= 1/(-1/2)
= -2
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Let t as y² + 5y .

Rewrite the equation :

Multiply sides by t


Add sides 36



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So :

Subtract sides 6




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Thus (( y = 1 )) and (( y = - 6 )) are the roots of the equation .
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56 / 4 = 14 and 44 / 4 = 11, so 14:11