General Mathematics 1st Quarter Quiz

Give a function of C that can represent the cost of buying x meals, if one meal costs P 40

• C(x) = 40x

• C(x) = 50x

• C(x) = 60x

• C(x) = 70x

Given the function f(x)= (x−1)/(x+1) ,at what value of x makes the function undefined?

• 2

• 1

• 0

• -1

Find f(-1), when f(x) = 4x - 8.

• 10

• 20

• -8

• -12

If f(x) = x² + 2x + 3, find f(0)?

• 5

• 3

• 2

• -3

Which of the following shows the difference of the two functions?

• f(x)+ g(x)

• f(x)- g(x)

• f(x) ∙ g(x)

• f(x) ÷ g(x)

Divide f(x)=5x+3 to g(x)=0. What is the quotient?

• 0

• 1

• 5x +3

• undefined

Given f(x) = 2x - 5 and g(x) = 3x + 4, find (f + g)(x).

• 5x - 1

• 4x - 9

• 5x + 1

• 4x2 + 4x + 9

A computer shop charges P20.00 per hour (or a fraction of an hour ) for the first two hours and an additional P 10.00 per hour for each succeeding hour. Find how much you would pay if you used one of their computers for 3 hours.

• P40

• P50

• P60

• P70

A study found that the relationship between the number of hours (x) and the student's exam scores 𝑓(𝑥) is given by the equation of function 𝑓(𝑥) = 10𝑥 + 55 Using this information, what will be the estimated number of scores of the student if he spent 4 hours in studying?

• 95

• 85

• 75

• 65

An object is to travel a distance of 10 meters. Express velocity v as a function of travel t, in seconds

• v(t) = 10/t

• v(t) = 9/t

• v(t) = 8/t

• v(t) = 7/t