The function f is expressed by the formula f (x) = px + q, if f (0) = –2 and f (2) = 4, then the values of p and q are respectively ...

The function f is expressed by the formula f (x) = px + q, if f (0) = –2 and f (2) = 4, then the values of p and q are respectively ...

Discussion:

f (0) = -2 → p (0) + q = -2 → q = -2
f (2) = 4
p (2) + q = 4
2p + (-2) = 4
2p - 2 = 4 ←
2p = 4 + 2 p = 6/2 = 3