For f(x) = 2x + 1 and g(x) = x2 – 7, find (f – g)(x).

a. –x2 + 2x – 6
b. 2x2 – 15
c. x2 – 2x – 8
d. –x2 + 2x + 8
give me the correct answer

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The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Which expression is the factorization of x^2+10+21