Which of the following is true for f(x) = 5cos(x) +1?
1 answer:
Answer:
The range of the function is the set of real numbers
Step-by-step explanation:
Since the amplitude is 5, this tells us the distance between the midline and the maximum/minimum, where the function oscillates. Here, the minimum is 1-5 = -4 and the maximum is 1+5 = 6. So, the last choice is correct
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Answer:
Step-by-step explanation:
Given infinite system of linear equations is ax + by = 0
when (a,b) moves along unit circle in plane.
a) system having unique system (0, 0)
Since two of equation in thus system will be
and
It is clear that x = 0, y= 0 is the only solution
b) Linear independent solution in this system gives some set of solutions
and
Vector form is
c) for this equation if add 0x +0y = 0 to system , Nothing will change
Because [0,0] satisfies that equation
d) If one of the equation is ax + by = 0.00001
where 0.00001 is small positive number
so, the system will be inconsistent
Therefore, the system will have no solution.