General Mathematics Q1

In a relation, what do you call the set of x values or the input?

• Piecewise

• Range

• Domain

• Dependent

Which of the following relations is/are function/s?

• x={1, 2,3, 4,1, 7,5, 1}

• g={3, 2,2, 1,8, 2,5, 7}

• h={4, 1,2, 3,2, 6,7, 2}

• y={2, 9,9, 4,9, 2,6, 7}

What is the range of the function shown below.

• R:{3, 2, 1}

• R:{a, b}

• R:{3, 2, 1, a, b}

• R:{all real numbers}

In a relation, what do you call the y values or the output?

• Piecewise

• Range

• Domain

• Independent

Which of the following relations is not a function?

• x={-1,2,-3,4,-1,7,5,1}

• x={-1,2,-2,4,2,7,5,1}

• x={2,2,-3,4,-1,7,6,1}

• x={0,2,-3,4,8,7,5,1}

how much would he pay for a 5 typing job he made for a day?

• 55 pesos

• 175.50 pesos

• 125 pesos

• 170 pesos

Find the fare function f(x) where x represents the number of typing job he made for a day.

• fx=100+5x

• fx=100-5x

• fx=100x

• fx=1005x

what if you sent 200 messages how much is your monthly payment?

• 300

• 250

• 350

• both a and b

what if you sent 250 messages, how much is your monthly payment?

• 350

• 650

• 450

• none of these

what is the correct representation of formula if she sent 250 messages?

• fm=300, if 0

• fm=300+3m-200, if m>200

• fm=350, if 0

• none of these