PART FOUR

If the value of f(x) = 3x^2 - 4x + 6 and g(x) = 2x - 1, and (f o g) = 101, what is the value of x that satisfies the equation?

• a

• b

• c

• d

• e

If f(x+2) = (x+3)/(x-1), what is the inverse function of f(x)?

• (x+1)/(x-2)

• (x-2)/(x+1)

• 5+x/(x-1)

• 3x+1/(x+1)

Given the linear equations 3x + y = 5, y - 2z = -7, and x + z = 5, what is the value of x + y + z?

• -6

• -4

• 3

• 4

The shaded region in the diagram represents the solution set of a system of linear inequalities. What is the maximum value of f(x, y) = 7x + 6y?

• 88

• 94

• 102

• 106

The parking area has a total area of 1760 m^2. The average area for small cars is 4 m^2 and for large cars is 20 m^2. The maximum capacity is 200 vehicles. The parking fee for small cars is Rp1,000/hour and for large cars is Rp2,000/hour. If the parking area is fully occupied for one hour without any vehicles leaving or arriving, what is the maximum revenue from the parking area?

• Rp176,000

• Rp200,000

• Rp260,000

• Rp300,000

• Rp340,000

adalah...

• a

• b

• c

• d

• e

adalah...

• a

• b

• c

• d

• e

adalah...

• a

• b

• c

• d

• e

adalah...

• a

• b

• c

• d

• e

adalah...

• a

• b

• c

• d

• e