What is the answer and how did you get that answer for number 21
1 answer:
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Look at my attachment to see the four functions on the graph.
f --> g . . . . . shift the graph down one unit
f --> h . . . . . shift down 2 units, and double the slope
f --> d . . . . . shift up 2 units, and reduce the slope by half
f --> g . . . . . shift the graph down one unit
f --> h . . . . . shift down 2 units, and double the slope
f --> d . . . . . shift up 2 units, and reduce the slope by half
ANSWER
(-1,2)
EXPLANATION
The given quadratic expression is:
The coefficient of the quadratic term is already 1.
So we add and subtract the square of half the coefficient of x.
We factor the first three terms to obtain
This is now in the form:
where (h,k) which is equal to (-1,2) is the vertex.