<h3>
Answer: Choice C</h3><h3>
{ (-2,2), (0,2), (7,2), (11,2) }</h3>
Here we don't have any repeated x values.
In choice A, x = 2 repeats. In other words, x = 2 leads to multiple y outputs. So this is not a function. Choices B and D are similar stories. A function is only possible if every x leads to exactly one y value only. The graph must pass the vertical line test.
Side note: the y values can repeat, but the function won't be one-to-one.
Answer: h = 5
Step-by-step explanation:
Easy. 5 + 9 = 14
5b + r = 30
the cost per item * the number of items sold = the profit
Answer:
Square root of 37
Step-by-step explanation:
37 cannot be a root, so it will go on forever.