Dr. Harriett uses the functions f(x)=x2+2x−3 to find the area of her flower bed and g(x)=4x2+6x+8 to find the area of her garden. Which function shows t(x) the total area of both her flower bed and garden?

t(x)=3x2+4x+11
t(x)=−3x2−4x−5
t(x)=5x2+8x+11
t(x)=5x2+8x+5