Answer:
None of the above.
Step-by-step explanation:
All of these are functions. For each input of x, there is only one output of y. Therefore, they are all functions.
Answer:
x=2/5
or
x=-22/5
Step-by-step explanation:
If Ciro's expression is equal to Gunther's expression x is equal to 2/5.
If Gerard's expression is equal to Gunther's expression x is equal to -22/5.
Your welcome!
Answer:
The interest earned is $421.2.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:
In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
In this question:
So
The interest earned is $421.2.
The answer would be c because you cannot add unlike variables so the real answer should be 2j+2k, but b/c it's not an answer choice the answer is c)
The mistake he made was that he multiplied 2 and 3, equaling 6. But what he SHOULD have done was multiply 2 * 2 * 2 to get 8