3 years ago

Find the range of the function f(x) = 2 cos πx:

Mathematics

1 answer:

deff fn [24]3 years ago

7 0

Answer:

A) R

Step-by-step explanation:

f(x) = 2 cos π x, but cos π = -1 therefore

f(x) = -2x, this is a line that has the slope m= -2, and goes trough the origin

the range is given by all the values of y so is R

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