Answer the question.The equation y = x2 is satisfied by the points (2,4) and (-2,4). A horizontal line may be drawn between these two points. Is y = x2 a function? Why or why not?

What will be an ideal response?


It is a function because each x-value gives one and only one y-value. It passes the vertical line test.

Mathematics

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Provide an appropriate response.Derive the identity sec-1(-x) = ? - sec-1 x by combining the following two equations:cos-1(-x) = ? - cos-1 xsec-1 x = cos-1(1/x)

What will be an ideal response?

Mathematics

Provide an appropriate response.Explain how (a - b)2 differs from a2 - b2 by expanding (a - b)2.

What will be an ideal response?

Mathematics

Find the least common multiple of the pair of polynomials. m2- 2m, m2- 5m+ 6

A. m(m- 2)(m - 3) B. m(m+ 1)(m - 3) C. (m+ 1)2 D. m(m+ 1)2

Mathematics

Add or subtract.(6 - 3i) + (3 + 9i)

A. -9 - 6i B. 9 + 6i C. 3 + 12i D. 9 - 6i

Mathematics