Answer:
A real number
Step-by-step explanation:
Answer:
-2
Step-by-step explanation:
On the number scale, -2 is higher because it is closer to zero and positive numbers than -4.
Answer:
X
2
Step-by-step explanation:
Answer:
3x > 18
step-by-step explanation:
3x > 18
Marco's equation is correct. Cosine is an even function, which means that for every x, f(-x) = f(x). In other words, you get the same answer for a negative value that you would for its corresponding positive value.