Which of the following is not true about function. a) We present a function as a mapping diagram
b) A function machine can have multiple inputs
c) Input in a function is a must, but the output is optional
d) it is a relationship between two sets of numbers

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.

4 + 5 7/9= 9 7/9

step-by-step explanation:

6 spoons of sugar for every 21 cups of flour

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,