4. Add
f(x)= 4x?+5x-1
g(x) = 2x2 + 5x+3
1 answer:
<h3>
Answer:</h3>
A. 3x² +6
<h3>
Explanation:</h3>
(f-g)(x) = f(x) -g(x) = (4x²+1) -(x²-5) . . . . . substitute the function definitions
... = 4x² +1 -x² +5 . . . . . . . . . . . eliminate parentheses
... = (4-1)x² +(1+5) . . . . . . . . . . . collect like terms
... = 3x² +6
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X^2-4x+4=-12y+24
(x^2-4x-20)/-12=y
quadratic => vertex is (-b/2a,f (-b/2a))
Note it is a minimum since coefficient a is positive
Answer: 932,400
Step-by-step explanation:777 x 1200
18% of
238.8889 is 43.
Convert the percentage (18) to a decimal by dividing it over 100:

Divide 43 over 0.18:
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Answer:
Please see attached picture for full solution.
Sorry, I'm not sure how to do Q7 :(
Answer:
-4
Step-by-step explanation:
-5+4= -1
-1-3= -4
-4-6= -10
-10+9= -1
-1-3= -4