It is a function because in a function the x's do not repeat. So since there are no two numbers in the x column that are the same, yes it is a function.
Answer:0.245
Step-by-step explanation:
You do cross multiplication so multiply 29 by 38 and then divide it by 78 which gives you answer of 14.128 cm
Answer:
Step-by-step explanation:
Discussion
I can sympathize with your confusion. You might be helped if you knew what the squares meant. Is 1 square = 1 inch or 4 miles? You don't know and can't tell. So I'm going to say that 1 square is 1 unit.
Givens
The vertical line is 3 units long.
The horizontal line is 4 units long.
Formula
Area = 1/2 horizontal * vertical or
Area = 1/2 * base * height Substitute givens into this formula
Substitution and Solution
Area = (1/2) 3*4
Area = (1/2) 12
Answer: Area = 6 units