Which statement is true of two similar figures?

corresponding sides are always congruent.
corresponding angles are always congruent.
they are always different sizes, but the same shape.
the areas of the figures have the same ratio as the ratio of corresponding sides.

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

What is the inverse of the function f(x) = 2x + 1?

What is the slope of the line shown below?