找到你今天要练的题。

For the linear function f, the table shows three values of x and their corresponding values of f(x) . Function f is defined by f(x) = ax +b, where a and b are constants. What is the value of a - b ?

Oil and gas production in a certain area dropped from 4 million barrels in 2000 to 1.9 million barrels in 2013. Assuming that the oil and gas production decreased at a constant rate, which of the following linear functions f best models the production, in millions of barrels, t years after the year 2000?

The function f is defined by f(x) = a^x + b , where a and b are constants. In the xy-plane, the graph of y = f(x) has an x-intercept at (2 , 0) and a y-intercept at (0 , -323). What is the value of b ?

In the xy-plane, the graph of y = x² -9 intersects line p at (1 , a ) and (5 , b ), where a and b are constants. What is the slope of line p ?

j(x) = mx+144For the linear function j, m is a constant and j(12)=18. What is the value of j(10)?

What is the y-intercept of the graph shown?

Line k is defined by y =3x +15. Line j is perpendicular to line k in the xy-plane. What is the slope of line j ?

What is the y-intercept of the line graphed?

In the xy-plane, line k passes through the points (0, -5) and (1, -1). Which equation defines line k ?

When line n is graphed in the xy-plane, it has an x-intercept of (−4, 0) and a y-intercept of (0, \( \frac{86}{3} \)  ). What is the slope of line n?

The table shows three values of x and their corresponding values of y, where n is a constant, for the linear relationship between x and y. What is the slope of the line that represents this relationship in the xy-plane?

For the linear function \( f \), the graph of \( y=f(x) \) in the xy-plane has a slope of 2 and has a y-intercept at (0, -5). Which equation defines \( f \)?