Question

The functions
h
(
x
)
and
h
(
x
)
+
k
are shown on the coordinate grid below.



image.png



What is the value of
k
?


−
6


−
1
.
7


1
.
7


6

Answer 1

k = 6

Reason: h(x)+k is the graph of h(x) shifted vertically by k. The two graphs are 6 units apart (the same x-value on the upper graph has a y-value 6 greater than the corresponding point on the lower graph), so k = 6.