Suppose that income is a function of age. The following function represents the relation between average annual income I and age a.
I(a)=-55a^2 +5,113a-54,421
(a) For what age does average income I equal $30,000?
(b) For what age does average income I equal $60,000?

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Ответ:

zahinparvez69

06.08.2022

Mathematics

x = 16.

Step-by-step explanation:

< 3 and < 6 are same side angles between 2 parallel lines so they are supplementary.

Therefore 8x - 13 + 4x + 1 = 180

12x - 12 = 180

12x = 192

x = 16.

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Suppose that income is a function of age. The following function represents the relation between average annual income I and age a. I(a)=-55a^2 +5,113a-54,421 (a) For what age does average income I equal $30,000? (b) For what age does average income I equal $60,000?