PLEASE THIS IS A BIG QUESTION ON MY ASSIGNMENT The graph of the derivative, f '(x) is shown below. On what interval is the graph of f (x) decreasing?

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?