Look at the picture.
ΔZYX and ΔDYC are similar. Therefore the lengths of sides are in proportion:
DC = x
ZX = 16
DY = a
ZY = a + a = 2a
Substitute:
<em>multiply both sides by 16</em>
If f(x)=x^2 and g(x)= x+2 find a formula for (f+g)(x) someone please help
1 answer:
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