K(x) = 5x-6
(k+k)(x) = k(x) + k(x) = 5x-6 +5x-6
just plug in x = 4,
(k+k)(4) = 5(4) -6 + 5(4) -6
thats your answer, the last option.
Yes a factor is less then the number and the multiple it greater, for example 6 a multiple is 12,24, and so on...
The domain are the required input for a given function, while the range are the output or result from the function.
Am I suppose to be looking at a picture?
