Joaquin bought a dvd for $21. He gave the cashier$40. How many different combos of $1 $5 $10 can the cashier give him for change
2 answers:
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Answer:
1) at ( 0,0) : y = x/2. at(-3-1) : y = -1. at(-3,3) : y = 2x +9
2) DNE ( does not exist )
Step-by-step explanation:
The general equation of tangent line
y - y1 = m( x - x1 )
attached below is the detailed solution on how i derived the answers above
