Answer:
A. $2.20; $2.54
Step-by-step explanation:
Answer:
i believe its 1/6
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
pi / 2 is equal to 180°/2 which is 90°.
Cos (90°) = 0
if cos90 = 0 then what kind of graph will we have at 90° to the x axis ?
a graph passing through the origin. (0,0)
Das test your knowlege of this exponential law

so

C is the correct answer