Answer:
f(1/7) = 3 3/4 in simplest form.
Explanation:
To find the value of f(1/7), we can substitute 1/7 for x in the function:
f(1/7) = -7/4 * 1/7 + 4
f(1/7) = -7/4 * 1/7 + 4
f(1/7) = -7/28 + 4
f(1/7) = 4 - 7/28
f(1/7) = 4 - 1/4
f(1/7) = 3 3/4
So f(1/7) = 3 3/4 in simplest form.