3 years ago

Which relation defined by a mapping diagram is not a function?

1 answer:

3 0

If one element in the domain mapped with more then one element in the range, the mapping is called one-to-many relation. One-to-many relations are not functions. Example: Draw a mapping diagram for the function f(x)=2x2+3 in the set of real numbers.

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F(x)=3x-2 what is the function for f(3)

Vlad1618 [11]

F(x) = 3x - 2
f(3) = 3(3) - 2
f(3) = 9 - 2
f(3) = 7

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3 years ago

A country's population in 1991 was 147 million. in 1998 it was 153 million. Estimate the population in 2017 using the exponentia

zepelin [54]

300 mil but people die off soo

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3 years ago

Complete the equation of this circle:

adell [148]

Answer:

Step-by-step explanation:

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If Sarah has 30 bills in her wallet worth $240, all fives and tens, how many of each bill does she have? help

Ivenika [448]

Answer:

12 fives and 18 tens

Step-by-step explanation:

solving this we need 2 different equations

one for he total bills and one for the total money

x+y=30

that is total bills

5x+10y=240

combining both equations we can use elimination method and get

12 five dollar bills and 18 ten dollar bills

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3 years ago

How do you solve this problem?

umka21 [38]

The answer to your math question is x=5

7 0

2 years ago