Let f(x,y) 7x- 2y + 4. Find the following values of f(x.y) for the given coordinates. (a) f(2, - 1) (2.-1)- (Simplify your answer) (b) f(- 7,1) f(- 7,1)= (Simplify your answer.) (c) f(-2,-5) f(-2, -5) = (Simplify your answer) (d) f(0,6) f(0,6) = (Simplify your answer.)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Let \( f(x,y) = 7x - 2y + 4 \). Find the following values of \( f(x,y) \) for the given coordinates.

(a) \( f(2, -1) \)

\[ 
f(2, -1) = \Box 
\] 

(Simplify your answer.)

(b) \( f(-7, 1) \)

\[ 
f(-7, 1) = \Box 
\] 

(Simplify your answer.)

(c) \( f(-2, -5) \)

\[ 
f(-2, -5) = \Box 
\] 

(Simplify your answer.)

(d) \( f(0, 6) \)

\[ 
f(0, 6) = \Box 
\] 

(Simplify your answer.)
Transcribed Image Text:Let \( f(x,y) = 7x - 2y + 4 \). Find the following values of \( f(x,y) \) for the given coordinates. (a) \( f(2, -1) \) \[ f(2, -1) = \Box \] (Simplify your answer.) (b) \( f(-7, 1) \) \[ f(-7, 1) = \Box \] (Simplify your answer.) (c) \( f(-2, -5) \) \[ f(-2, -5) = \Box \] (Simplify your answer.) (d) \( f(0, 6) \) \[ f(0, 6) = \Box \] (Simplify your answer.)
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