Graph the functions and approximate an x-value in which the exponential function exceeds the polynomial function.
y = 4^x
y = 7x^2 + 4x - 2

a. x=-1
b. x=0
c. x=.5
d. x=2

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Find the area of the regular hexagon if a side is 20 cm.

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units