(2x+y) * 2 = 4x+2y |
\/
4x+2y+3
2(1)+3
2+3
<u>5</u>
Since 17 isnt a factor of 42 the only factor is 1
Answer:
Step-by-step explanation:
Let
h -----> the number of hours, Elon works during one 5-day work week
we know that
Elon’s break time must be equal to 1/2 of an hour multiplied by 5 days plus 1/5 multiplied by the total hours h
so
Solve for h
Multiply by 10 both sides to remove the fraction
Answer:
D
Step-by-step explanation:
For it to be a function, every x value must have 1 unique y value ONLY.
In option A, you can see that the x value of 1 has 2 y values, 1 & 5. So it's not a function.
In option B, you can see that the x value of 0 has 2 y values, 0 & -4. Moreover, the x value of 4 also has 2 y values, 2 & -2. So it's not a function.
In option C, you can see that the x value of -2 has 2 y values, 4 & -4. This is not a function as well.
In option D, each x value has a unique y value that are different. So this is a function.
Answer is option D.
Using the quadratic formula, the answers could be A B and D
