Write y = 2x2 + 4 in function notation.
a) f(x) = 2x2 + 4
b) f(y) = 2x2 + 4
c) f(y) = 2y2 + 4
d) f(x) = 2y2 + 4

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Which expression has a negative value? 2+12 (-) ) -35-5