1. Use f(x)and g(x) to find f(x) * g(x). f(x) = -x + 5 and g(x) = 3x + 2
1 answer:
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Answer:
4.2 cm
Step-by-step explanation:
The law of cosines is applicable.
l² = k² +m² -2km·cos(L)
l² = 5.1² +1.2² -2·5.1·1.2·cos(35°) ≈ 17.4236
l ≈ √17.4236
l ≈ 4.2 . . . cm
