Untuk f:x 2x-3. tentukan: a. f(1) b. f(-3)

F(x) = 2x -3
f(1) = 2(1) – 3 = -1
f(-3) = 2(-3)-3 = -9

f(x) = 2x -3
a) f(1) = 2.1 – 3
= 2-3
= -1
b) f(-3) = 2x – 3
= 2.(-3) – 3
= -6 -3
= – 9