Question 1

Find the value of the function of f(x) = x^3 -2x+3 = 0 when x = 3.

Accepted Answer

12

Question 2

Find the value of x in a quadratic function in g(x) = x^2 -3x + 2.

Accepted Answer

-3/2

Question 3

Find the value of the function of h(x) = 2x + 1 when x = 2.

Accepted Answer

5

Question 4

Fidel, a working student, earns ₱640 daily for an eight-hour service as a waiter in a fast-food restaurant. On top of his daily salary, he also receives ₱35 for every additional hour of work. If Fidel works for 11 hours in one day, how much does he earn?

Accepted Answer

Fidel earns Php 745.00 after working 11 hours in one day.

Question 5

The maximum number of heart beats per minute in terms of age x in years is given by the function f(x) = 172 − 0.8x. What is the maximum number of heart beats per minute of a typical 10-year-old child? How about a 25-year-old adult?

Accepted Answer

Therefore, the 10-year-old child is 164 heart beats per minute whole the 25-year-old is 152 heart beats per minute.

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