1. A radio cost $20, Harold buys it for $12, what percent off the original price did he receive?
2 answers:
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Answer: When f(x)=g(x) , x equal to -2 or -1
Step-by-step explanation:
Answer:
Just took the test,
1)d, 3
2)a, -13
3) c, y=-2x+6
4) c, f'(a)=8a+2
Step-by-step explanation:
For #3, graph f(x)=-x^2+5. Next graph y=-2x+6. You will see that the added equation touches at exactly the point (1,4). this make it the tangent line equation
