1.Find the minimum value of the expression given below on the horizontal span of

−3 to 2.

(Round your answer to two decimal places.)

3e^{2x} + 5x^{2}

^{}______________

2. Find all maxima and minima of the function given below with a horizontal span from -2 to 2 and a vertical span from −11 to 11. (Round your answers to two decimal places.)

f(x) = x^{3} − 6x + 3

Maxium:

Minimum:

3. Find all maxima and minima of the function given below. Use a horizontal span of -6 to 6. (Round your answers to two decimal places.)