0.2x + 0.3 = 0.1x + 0.5
2 answers:
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Answer:
a. Amplitude: 4
Period: 1
b. The maximum values occur at
The minimum values occur at
The zeros occur at
Step-by-step explanation:
We can see from the graph that;
.
This implies that;
.
The amplitude is 4.
The function also completed one full cycle on the interval [0,1]
The period is
The maximum values occur at
The minimum values occur at
The zeros occur at
This is where the graph intersected the x-axis.
The correct answer is B
Let us do the first product,
We have;
We can re-group the sign and the numbers to obtain;
But we know that; negative times negative is positive. So the product becomes,
Similarly for the second product,
We have;
We can again re-group the sign and the numbers to obtain;
But we know that; negative times negative is positive. So the product becomes,
Putting all together gives,
Finally, positive times positive will also give positive. That is,
Let us do the first product,
We have;
We can re-group the sign and the numbers to obtain;
But we know that; negative times negative is positive. So the product becomes,
Similarly for the second product,
We have;
We can again re-group the sign and the numbers to obtain;
But we know that; negative times negative is positive. So the product becomes,
Putting all together gives,
Finally, positive times positive will also give positive. That is,
