In what direction and by how many units is the graph of f(x) = -3 cos(2x - Tt) + 2 vertically and horizontally shifted?

A. Down 2, left pi/2
B. Down 2, right pi/2
C. Up 2, left pi/2
D. Up 2, right pi/2

I'm confused on this could anyone me and show me what i need to do to solve it.

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation