Functions — Composite Mock Tests

If the area of a circle is 49π, what is its circumference?

Two lines in the xy-plane intersect at the point (3, 5). One line has the equation y = 2x - 1. The other line has a slope of -1. What is the equation of the second line?

The angle subtended by a semicircle at any point on the circumference is:

If f(x) = x² − 1 and g(x) = x + 2, what is f(g(3))?

What is the area of a circle with diameter 10? (Use π ≈ 3.14)

In the xy-plane, line L passes through the points (1, 3) and (4, 9). What is the slope of line L?

What is the circumference of a circle with radius 7? (Use π ≈ 3.14)

A rectangular box has dimensions 3 cm by 4 cm by 12 cm. What is the length of the space diagonal?