Answer:
Third one
Step-by-step explanation:
To be a function x must only have 1 y value or you're really describing a limit which isn't part of the outputs
However, In your case two x values equaling the same y value is fine because the x values do not have two y values
This is a function, as each x value corresponds to one y value
My apologies I was confused with my first answer.
Answer:

Step-by-step explanation:
Area of triangle = 0.5 × Base × Height
→ Substitute in the values
200 = 0.5 × 5x × 5x
→ Simplify
200 = 12.5x²
→ Divide both sides by 12.5
16 = x²
→ Square root both sides
4 = x ∴ x = 4
Answer:
586.5 ft.
Step-by-step explanation:
Find the Perimeter of the gym which is a rectangle. Formula is 2 (L+W) so,
2(65.5+32.25) = 195.5ft then multiply by 3 times around the perimter of the gym
(195.5 x3= 586.5 ft)
Answer:
11
Step-by-step explanation: