¿Me podrían ayudar a realizar este ejercicio? No entiendo mucho de identidades y necesito escribir el procedimiento y resultado.

Question 3 of 30 paul buys fruit to make smoothies. he buys 3.78 pounds of apples, 2.12 pounds of peaches, and 4.45 pounds of oranges. paul rounds each weight to the nearest tenth of a pound. about how many pounds of fruit did paul buy? (a) 10.5 pounds (b) 10.2 pounds (c) 10.4 pounds (d) 10.0 pounds 30 points

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Which of the following graphs represents the function f(x) = 2^x