The product of 4 and the sum of a number and 15 is at most 28.

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

What’s the range cuz i can’t find it?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g