Answer:
it's equal to 21 when I say it's equal to 21
Answer:
Step-by-step explanation:
There is no discontinuity in this function. if you graph it, it is a straight line
Answer:
first one
Step-by-step explanation:
use the vertical line test, and the first one is a quadratic function
Answer: 7.7%
Step-by-step explanation: First find the increase in height by subtracting 52 from 56. 56-52=4.
To find what percent this is of 52, divide 4 by 52. 4/52=0.0769. Then convert this from a decimal to a percent by multiplying by 100. 0.0769*100=7.69.
I just rounded it to the nearest tenth, you can change it how you need to.