Answer:
C
Step-by-step explanation:
A function can not have an input that has more than one output.
In the diagram the left is the input and the right is the output. C has the input 2 having an output of -2, -1, 0, 1, and 2. That is more than one.
Answer:
a
Step-by-step explanation:
If x=0 then we have -3y=-7
y=7/3 (0, 7/3) is your first pair
if y=0 then we have 5x=-7
x=-7/5 (-7/5, 0) second pair
now create a graph with these 2 points and any point in the line can be your 3rd pair.
If the entire school has 400 students, then what is a reasonable estimate for the number of students who prefer music
Answer:
the answer is 207
Step-by-step explanation:
using bodmas