SOLUTION: Given the function k describe by k(x) = x + 16 Find each of the following: k(0)= k(-15)= k(-20)= Help there are 3 more questions, but I am hoping to do them myself after some

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Given the function k describe by k(x) = x + 16 Find each of the following: k(0)= k(-15)= k(-20)= Help there are 3 more questions, but I am hoping to do them myself after some      Log On


   



Question 136855: Given the function k describe by k(x) = x + 16 Find each of the following:
k(0)=
k(-15)=
k(-20)=
Help there are 3 more questions, but I am hoping to do them myself after someone explains to me how it is done please.

Found 2 solutions by vleith, checkley77:
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
To do any of these, you need to understand what k(0) and k(-15) mean.
You are given a function +k%28x%29+=+x+%2B+16 and then asked to evaluate that function at specific values for x.
For instance, k(0) means "the value of the function when x = 0"
+k%28x%29+=+x+%2B+16 Sub in 0 for every x in the function
+k%280%29+=+0+%2B+16
+k%280%29+=+16 read that as "k of 0 equals 16"
Do the same steps for k(-15)
+k%28x%29+=+x+%2B+16
+k%28-15%29+=+-15+%2B+16+
+k%28-15%29+=+1+ read "k of negative 15 equals 1"
Get it?
Send me an email if you don't

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
K(x)=X+16
WHEN X=0 THEN:
K(0)=0+16=16 ANSWER.
WHEN X=-15 THEN:
K(-15)=-15+16=1 ANSWER.
WHEN X=-20 THEN:
K(-20)=-20+16=-4 ANSWER.