Let f(x) = 3x + 2 and g(x) = 6x - 7. find f(x) - g(x)
answer choices
a.) 3x - 9
b.) -3x - 9
c.) -3x - 5
d.)2x - 1
very confused

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree