What type of function is present? f(x) = 2*?

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition