Answer:
y would be equal to 27
step by step explanation:
Sur it's a function because for each x value corresponds one and only one y value.
Another easy way to determine if y is a function is to apply the vertical test:
If you draw a vertical line and this lines intersects the graph in one point, then y is a function
Answer:
I think no. <em>D</em> is the answer
Answer:
The value of x is -3.
Explanation:
Given the equation:

Step 1: Distribute 4 in the left-hand side.

Step 2: Collect like terms.

Step 3: Divide both sides by 3.

The value of x is -3.
Answer: 8 hours
Step-by-step explanation:
Let x be the time taken by each person to paint the fence.
Given: Tom and Becky can paint Jim's fence together in 12 hours.
Since all people paint at the same rate, then we have the following equation ;-

Thus, the time taken by each person to paint the fence alone = 24 hours
Now, the time taken by all three paint together:-

Hence, it would take 8 hours if all three paint together.