Well 1000 for his birthday then subtract 25 each week, w, should be 1000-25w if i am not mistaken.
Answer:
45
Step-by-step explanation:
i hope this helps you :) i would do the middle one but you dont need that one
Answer:
f'(x) = 2x + 
Step-by-step explanation:
differentiate using the power rule
( a
) = na
Given
f(x) = x² - 
+ 9 = x² - 4
+ 9 , then
f'(x) = 2x + 12
= 2x +
Take first number as x
<span />second number is 3x
<span />third number = 3x+5
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twice the third is 5 less than second, means second minus 2 times third is equal to five or 3x-2(3x+5)=5..........Answer is D
