The graphs labeled L1, L2, L3, and L4 represent four different pricing discounts, where p...

The graphs labeled L1, L2, L3, and L4 represent four different pricing discounts, where p is the original price (in dollars) and S is the sale price (in dollars). Match each function with its graph. Describe the situations in parts (c) and (d).

(а) f(p): A 50% discount is applied.

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(b) g(p): A $5 discount is applied.

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(c) (g ∘ f)(p)

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(d) (f ∘ g)(p)