Suppose \$ f(x) = ax^2 + bx + c \$ (you can set \$ a=1, b=0, c=0 \$ for \$ f(x) = x^2 \$, but we’ll keep it general). $$ f(x + h) = a(x + h)^2 + b(x + h) + c = a(x^2 + 2xh + h^2) + b(x + h) + c $$ $$ = ax^2 + 2axh + ah^2 + bx + bh + c $$ $$ f(x) = ax^2 + bx + c $$

1. “Unbiased opinion” is an example of _____. a) Oxymoron b) Paradox c) Antithesis d) None of the above Explanation The phrase “Unbiased opinion” is an example of a) Oxymoron.

1. Identify the adverb in the following sentence. Seetha is listening patiently. a) Listening b) My c) Patiently d) Is listening patiently Solution The adverb in the sentence “Seetha is listening patiently” is c) Patiently.

1. ‘This book is necessary for me to do my research.’ In this sentence, the subordinate clause is A. Is necessary B. This book is necessary C. For me D. For me to do my research Explanation In the sentence “This book is necessary for me to do my research,” the subordinate clause is D) For me to do my research.