<span>According to the lecture, a valedictory speech should last approximately 15 minutes. </span>
Answer: 7x + 14
Step-by-step explanation:
5x + 2(x + 7)
First, we use distributive property to distribute the 2 to the x and the 7. We're left with this expression:
5x + 2x + 14
We can combine 5x and 2x to get 7x
7x + 14
We cannot do anything else with this expression and it is thus is simplest form.
X can be any number, so the domain is all real numbers (-∞, +∞)
y is always larger than 0 in this case, so the range is all real numbers larger than 0 (0, +∞)
Measures change in price levels of market s
Answer:
n + 4
Step-by-step explanation:
It´s like a normal sum, but since the number is unknown just put n.