Answer:
Positive
Step-by-step explanation:
Positive for ascend change, negative for otherwise
A) Vertical.
It must pass the vertical line test. That is it must not have any vertical line passing through more than one point on the curve. If it does then it is not a function.
Thus , for example, a circle graph would not be a function.
Answer: brainly.com/question/27247548?answeringSource=feedPublic%2FhomePage%2F6https://brainly.com/question/27247548?answeringSource=feedPublic%2FhomePage%2F6https://brainly.com/question/27247548?answeringSource=feedPublic%2FhomePage%2F6
Answer: 19=5x times 2
negtive 1
4/9 x 7/4 = 28/36 = 7/9
Answer is 7/9