PERIODICAL TEST GENERAL MATHEMATICS

Angel transferred a two-leaf petchay from a pot to the soil. The next morning, he was surprised as two new leaves have sprouted. If the number of leaves can be expressed as the function f(x) = 2x, where x is the number of days passed after transferring the plant from pot to soil, how many leaves can he expect after 10 days?

Geraldine can type a 200-word manuscript for half an hour. How long will it take her to type a 1000-word manuscript?

C(x) = 21x + 150 represents the function for the daily expenses of a food stall in a school. Where x is the number of tapsilog the food stall prepares daily. How much should the stall’s budget be if it needs to prepare 250 tapsilog meals in a day?

Marie helps her uncle in packing cashew nuts. In return, she receives Php 1.00 each for the first 15 packs of cashew nuts she finished packing, Php 2.00 each for the next 15 packs, and Php 2.50 each in excess of 30 packs. If she packed 250 cashew nuts in a day, how much should her total commission be?

A videoke rental business devised a rental scheme. The scheme is expressed as a piecewise function where: f(x) = { 350 ; if 0 < x ≤ 1 250 + 350(x − 1) ;if x > 1 }

If x is the number of days the unit is rented, how much will it cost to rent the unit for 6 days?

f(x) = x + 4 and g(x) = −2x − 15; (f + g)(2) = _____

h(x) = 7x − 13 and j(x) = 9x 2 − 16; (h + j)(−2) =_____

u(x) = x + 2 and v(x) = x − 2 ; (u ∙ v)(3) =_____

f(x) = x 2 + 2x − 8 and g(x) = x − 2; (f ÷ g)(−1) =_____

g(x) = x 2 + 1 and h(x) = 2x + 4; (g ∘ h)(0) = _____

Mark Angelo, a machine operator earns his monthly payout expressed as function of f(x) = 600x, where x is his daily wage. If he works for 21 days, how much will be his take-home pay?

Darwin, a balikbayan from Canada went back to the Philippines in time of pandemic. The only way to reach home is to hire a car that costs C(x) = 15x, where x is the total distance travelled. If the distance from airport to his home is about 120 km, how much will it cost him to go home?

The cost of renting a van is expressed as a function of f(x) = 5000 + 900x, where x is the number of days. If the Zambales trip of a family is set for 5 days, what is the total cost of the rented van?

A reseller adds Php 10.00 for every 1-kg pack of an infant milk that originally costs Php 140.00. How much would the total sales C(x) be if the 50 1-kg packs were sold out?

Jenel paints the house at a rate of 10 square meter wall per half an hour. What is the total area of the walls he can paint after 30 hours of work?