Find the square. (7m − 3)2
2 answers:
Answer:
The answer is
Step-by-step explanation:
In order to determine the answer, we have to know about square of a binomial.
A binomial expression is the addition of two terms. If the binomial expression is powered by two, there are some rules to expand the expression:
- square first term.
- Twice the product of the two terms.
- square second term.
In this case, the binomial expression is . So the first term is
and the second term is
. Also there is a power, 2.
So, according to the rules:
Finally, the answer is
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Answer: The correct option is C.
Explanation:
A function is called an odd function if,
It means if the points are in the form of (x,y) then (-x,-y) is also in the graph.
Reason for correct option:
In option C, a point (1,2),
It means,
And we have another point (-1,-2).
The other points are (2,3),(-2,-3),(3,-1),(-3,1),(4,0),(-4,0). Therefore the function is an odd function.
Reason for incorrect option:
In option A, a point is (1,3), therefore the value of function at x = -1 should be -3.
But the value of function is 1 at x=-1, therefore it is not an odd function.
In option B, a point is (1,0), therefore the value of function at x = -1 should be 0.
But the value of function is -3 at x=-1, therefore it is not an odd function.
In option D, a point is (1,-1), therefore the value of function at x = -1 should be 1.
But the value of function is -1 at x=-1, therefore it is not an odd function.
Hi,
The request actually is to choose functions whose derivative is a constant.
For A, derivative is , which is not constant.
For B, derivative is 2ˣ·ln2, which is not constant.
For C, derivative is 0, which is a constant.
For D, derivative is 1, which is a constant.
So, you can choose C and D.
Have you understood ?
Green eyes.