Answer:
B. 4
Step-by-step explanation:
The given function is of the form:
A is called the amplitude of the given function.
We can read from the graph that, the function ranges between:
-4 and 4
This implies that:
Therefore the amplitude of the function is 4.
Hence the value of A must be 4.
Answer:
+10 or -10
Step-by-step explanation:
square root both sides
Answer: 28.4375 is the correct answer Explanation: because in one month they grow 3.25 so in 8.75 months they grow 28.4375.
Answer:
see below
Step-by-step explanation:
f(x) = 2x + 9,
Let x = -1
f(-1) = 2(-1) +9
= -2 +9
= 7
Answer:
12.25
Step-by-step explanation:
You have to work it out like if it was a ratio.
basically you need to make 7/x equal to 4/7
to do this you divide 4 by 7 and the divide 7 by the answer. This will make x equal to 12.25
