You are given that f(x) = cx + d and that f(0) = -6 and f(2) = 10. Find the values of c and d.

f(x) = cx + d f(0) = c0 + d = d = -6 => d = -6 f(2) = c2 + d = c2 + -6 = 10 => c2 - 6 = 10 => c = (10 + 6) / 2 => c = 8

GJ

Related Maths GCSE answers

All answers ▸

Write x^2-4x+9 in the form (x-p)^2+q, where p and q are integers.


Whats the inverse of y = 2x+1/x-1 ?


Work out 1 1/5 ÷ 3/4. Give your answer as a mixed number in it's simplest form


The first four terms of an arithmetic sequence are : 11, 17, 23, 29. In terms of n, find an expression for the nth term of this sequence.