Answer:
f(4) = 11
f(-1) = 1
If f(x) = 2x + 3, we can find f(4) and f(-1) by simply plugging in those values for x in our given function.
f(4) = 2(4) + 3
f(4) = 8 + 3
f(4) = 11
f(-1) = 2(-1) + 3
f(-1) = -2 + 3
f(-1) = 1
The ordered pairs for the two points are therefore, (4, 11) and (-1, 1).
