Answer:
f(x)=27
Explanation:
f(x)=2x+15,f(6)
plug the 6 into x
2(6)+15
simplafy (times 2 and 6)
you get
12+15
witch equils 27
F(6) means to replace x with 6 and solve.
2(6) + 15 = 12 + 15 = 27
Answer: 27
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