3 years ago

The domain of f(x) = 7x + 4 is {-1 < x < 4}. Which integer is not in the range?

Mathematics

1 answer:

guajiro [1.7K]3 years ago

8 0

Answer:

1. all of them are in the range

Step-by-step explanation:

Since -1 < x < 4

then -1 (7) < 7x < 7(4)

- 7 < 7x < 28

-7 + 4 < 7x + 4 < 28 + 4

-3 < 7x + 4 < 32

SInce all the options are within the range between -3 and 32 then the answer is 1.

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