Which of the following functions are linear?
Function A
X 1,3,7,9,13
Y 3, 5.5, 10.5, 13, 18

Function B
X 3,13,23,33, 43
Y 8,20,40,100,200

A) Function A
B) Function B
C) Function A and Function B
D)None of the above

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota