Write an exponential function y
a(b)" whose graph passes through the given
points.
(0,4),(2,16)

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Which is f(5) for the function –2x2 + 2x - 3?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?