The table shows several values of x and their corresponding values of f(x). The function f is defined by f(x) = mx + b, where  and  are constants. What is the value of b ?

 

Find the range of the function .

For such questions, we should know the concept of function.

In the figure shown, line t intersects lines l and k. Which additional piece of information is sufficient to prove that lines l and k are parallel?

The table gives the typical adult weight ranges and life spans for African and Asian elephants in the wild.

Based on the table, what is the typical minimum weight of an adult African elephant in the wild, in pounds? ( 1 ton = 2000 pounds)

Line l is shown in the xy - plane, and the point with coordinates (2, c) is on line l. What is the value of c ?

The graph shows the power capacity for the nine countries that had the greatest geothermal power capacity in 2010 . What was the capacity, in megawatts, of the country that had the median capacity of the nine countries?

Triangle ABC is similar to triangle DEF, where angle A corresponds to angle D. What is the value of  ?

What is the y -coordinate of the y -intercept of the graph of  ?

In a survey of 240 television viewers,  indicated that they like comedies, some indicated that they do not like comedies, and the rest did not respond. If one of the 240 viewers is selected at random, the probability is  that the viewer selected did not respond. How many of the 240 viewers indicated that they do not like comedies?

In the - plane, the points (-3,10) and (3,10) are endpoints of the diameter of a circle. Which equatic represents this circle?

Bridges have spaces between their sections to allow for expansion and contraction caused by temperature variation. This space is known as the gap width. The size of the gap width w(T), in inches, is a linear function of temperature T, in degrees Fahrenheit . For a certain bridge, the gap width is 2.875 inches at and is 1.875 inches at . Which of the following defines the relationship between temperature and gap width?

5x – y = 9
- 60x + 12y = - 108
How many solutions does the given system of equations have?

Which of the following is equivalent to the expression ?
I)
II)

In the figure shown, point O is the center of the circle. One vertex of the square lies on the circle, and the opposite vertex is point O. If the area of the shaded region is , what is the perimeter of the square?

The solutions to the quadratic equation above are a and b. What is the value of a + b ?

How many solutions does the equation have?