Given the quadratic function f(x) = 2x + 5x-12, what is the value of f(-2)?
2 answers:
Answer:
-26
Step-by-step explanation:
first substitute -2 for x : 2(-2)+5(-2)-12
-4+-10-12
-14-12
-26
-26 is your answer
pls mark me brainliest if this helps !
Answer:
The anser is -26
Step-by-step explanation:
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(I) 
(II) 
Get 
alone in equation (II)
Insert new equation (II) in equation (I)
Insert 
in equation (II)
Answer:
24
Step-by-step explanation:
X/2+1=y subtract 1 from both sides
x/2=y-1 multiply both sides by 2
x=2y-2
