gen math

which of the following set of ordered pair DOES NOT illustrate a function?

• (1,1) (2,4)(3,9)(4,16)

• (1,2)(1,3)(1,4)(1,5)

• (1,-2)(2,-1)(3,0)(4,-1)

• (1,2)(2,4)(3,6)(4,8)

Evaluate the function f(x) = 2x + 3 at f(-2).

• f(-2) = 1

• f(-2) = -1

• f(-2) = 7

• f(-2) = -7

Given the function 9(x) = x2-3x+4/x2-7x-8. Find g(O)

• g(0) = 2

• g(0) =-2

• g(0) = 3

• g(0) = -3

Which function has a function value of f(3) = 5?

• f(x) = x+2

• f(x) = x-2

• f(x) = 2x - 3D

• f(x) = 3x + 2

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

• (f+ 9)(x) = 3x +5

• (f + 9)(x) = 3x - 5

• (f + 9)(x) = 3x + 1

• (f+ 9)(x) = 3x - 1

Find (f • g)(x) given the functions f(x) = x + 4 and g(x) = x - 3.

• (f • g)(x) = x2+x - 12

• (f• g) (x) = x2-x- 12

• (F • g)(x) = x2-x + 12

• (f• 9)(x) = x2+x + 12

Given: f (x) = 3x, and g(x) = x - 2. Which operation on function will result to f (x) = 3x^2- 6x

• (f + g)(x)

• (f- 9)(x)

• (f• g) (x)
  

• (f ° g)(x)

Given f(x) = 2x - 5 and g(x) = x + 1, find (f • g) (x)

• (f ° g)(x) = 2x +7

• (F ° 9)(x) = 2x - 7

• (f ° g) (x) = 2x+3

• (F ° g)(x) = 2x - 3

From the given functions in no. 9, find (g ° f)(2)

• 0

• 1

• 2

• 3

Given the situation in no. 12, how much would you pay if you travel a distance of 9 kilometers?

• Php 12.00

• Php 14.00

• Php 16.00

• Php 18.00