What is the sign of the product () ?

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)