Codex66 Codex66

30-01-2017
Mathematics

Answered

If f(x)=27 and x=9, What is the constant of variation of (k) for this function?

Hint: Use f(x)=kx and solve for k.

Give your answer as a number.

Verified Answer :

zaniyah223 zaniyah223

30-01-2017

y = k x

When x = 7 then y = - 58

- 58 = k 7 Divide both sides with 7

- 58 / 7 = k

k = - 58 / 7

y = k x

when x = 6

y = - 58 6 / 7

x = - 348 / 7
which would be -49.7

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