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son4ous [18]
3 years ago
10

F(x) = 18x + 13, find F(4)

Mathematics
2 answers:
Pavel [41]3 years ago
8 0

Answer:

f(4) = 85.

Step-by-step explanation:

When you substitute the 4 into the x and solve for f(4), all that means is that every x in the equation becomes 4.  There's only one on the right side: the 18x.  This becomes 18*4, or 72, which is then added to 13, to get 85.

Elodia [21]3 years ago
8 0

Answer:

F(4) = 85

Step-by-step explanation:

F(x) = 18x + 13

F(4) = 18(4) + 13

F(4) = 72 + 13

F(4) = 85

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