Given data
c(x) = 4.5+ 0.32x
How c(x) is related to its parent function
The relationship c(x) = 4.5+ 0.32x it is a linear relationship. It can be compared to the equation of a straight line which is
y = mx + c
m is the slope and c is the y intercept
The comparison shows that
y = c(x)
c = 4.5
m = 0.32
Interpreting the function in the context of the situation
If the cost is related with the relationship c(x) = 4.5+ 0.32x.
it can be seen that even when there is no weight or no salad that is at x = 0 the cost is c = 4.5.
This means that there is a fixed cost of 4.5 for any salad weight, in ounces bought.
The factor 0.32 is used to reduce the cost of the weight before adding to the fixed cost of 4.5.
The 0.32 is a reduction factor because the value is less than 1 and will reduce any number it multiplies.
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