If you horizontally compress the exponential function f(x) = 2x by a factor of 4, which of these is the equation of the new function?
O A. (x) = 4(27)
O B. Ax) = 2(4x)
O C. Ax) = 6*
O D. Ax) = 8

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?