Answer:
no,yes,no,yes
Step-by-step explanation:
if you wanna check if a relation is function or not , you can simply check if you have more than one x with same y.for example : for the first relation, you have (2,5) and (2,7) . so this isnt a function
Answer:
the answer is a+b
Step-by-step explanation:
7(3a-2b) +5(3b-4a)
21a-14b+15b-20a
a+b
Let me give the significations following
natural numbers :ACA counting numbers the numbers you naturally say when counting.
whole numbers: include all natural numbers zero
Integers: include all whole numbers and their opposites.
Rational: can be written ASA fraction or ratio of two integers also decimals that terminate or repeat
Irrational: can not be written a fraction, decimals, do not terminate or repeat.
Skewlines have opposite reciprocal slopes ,and parallel lines have opposite reciprocal slopes
Answer:
Step-by-step explanation:
We can write our unknown number like x
four less than the quotient of a number cubed and seven, increased by three
five times the difference of a number squared and six
nine more than the quotient of six and a number cubed, decreased by four
twice the difference of nine and a number squared
