ND-Dsat05-M1

If f(1)=-4 and f(5)=12, what is the the value of y-intercept of the function f(x)?

given that f(x) is a linear equation function

• 4

• -8

• 2

• 8

The average score in a high school's French entrance exam was 65%. Three new students appeared for the entrance exam and scored 25%, 45%, and 70%; the new average score fell to 60%. How many students had taken the entrance exam before these three students?

• 11

• 7

• 8

• 14

If sin(4x+6)= cos(x + 4), what is the value of x?

• 12

• 26

• 16

• 20

3y-2x=1

2y + 3x = 18

Using the system of equations, what is the value of 5x - y?

• 4

• 17

• 20

• -17

The function c(x) represents the total cost of a company. The function represents the variable costs and fixed costs of the company. CX = x²- 750x + 90,000, where x represents the number of units produced by the company. How many units would the company have to produce to incur a minimum total cost?

• 375

• 750

• 150

• 600

• one solution

• two solutions

• no solution

• infinitely many solutions

3y+5x=15

What is the x-intercept of the equation of the line shown above?

• 5

• -5

• 3

• -3

The function f(x) = 3x − 4 is moved to the left by 4 units and up 2 units. What is the value of its y-intercept?

(a)