3. 1. What is the effect of replacing -2 with 2
in the function f(x) = -2.11" + 3?
A. It reflects the graph over the y-axis.
B. It reflects the graph over the x-axis.
C. It reflects the graph over the line
y=3.
D. It makes the graph wider.

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?