GMCT

Find the value of the function h(x)  $\sqrt{ }$ 5x^2-4 if x=6

•  $\sqrt{ }$  80

• 2 $\sqrt{ }$  19

•  $\sqrt{ }$  16

• 4

Evaluate the function k(x)=5^x if x=2/3.

• $\sqrt{ }$ 25

• $\sqrt{ }$ 5

• ^3 $\sqrt{ }$ 5

• ^3 $\sqrt{ }$ 25

f(x) = x-8 and g(x) = x+ 3, find f(x) * g (x)

• x² + 24

• x2 - 5x + 24

• x² -5x + 24

• x² + 5x + 24

g(x) = 2x-4 and h (x) = 2x-7. Find (g+h)(3).

• -7

• 1

• -1

• 8

A person can encode 1000 words in every hour of typing job. Which of the following expresses the total words 2 as a function of the number n of hours that the person can encode?

• W (n) = 1000+ n

• W(n) = 1000/n

• W(n) =1000n

• W(n) =1000-n

The following are notations for composite functions EXCEPT,

• h(p(x))

• f(x) g(x)

• f(g(x))

If p(x) = x-1, what is p(x) * q(x)

• x^{2 }+1

• x^{2 }+ 2x - 1

• x² - 2x - 1

• x² - 1

Given h(x) = x-6 and x^2 -13x +42. Find h/a (x).

• 1/x-7

• x-7

• x-6/x-7

• x-6

The cost of producing x tools by a B&G Corp. is given by C(x)=P1,200.00(x) +P5,500.00. How much is 100 tools?

• P6,700.00

• P12,500.00

• P125,500.00

• P551,200.00

Which of the following expresses the total earnings (E) as a function of the number (n) of days if a laborer works and earning P400.00 per day?

• E(n) =400+n

• E(n) =400÷n

• E(n) =400(n)

• E(n) =400-n