exam Maths Puzzle Numerical Ability

Which of the following is a reflection of f(x) = -x + 1 about the x-axis?

a. r(x) = x + 1
b. r(x) = x - 1
c. r(x) = -(x - 1)
d. None of the above

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exam Other Question

how do you find f(x)=ax+b in which f(2)=1 and f(-3(=11?
from mathematics for the international student:Mathematics SL-section 1c MR.SILVA INVESTED A PORTION OF 232,000 AT 9% INTEREST AND THE BALANCE AT 11% INTEREST.HOW MUCH DID HE INVEST AT EACH RATE IF THE ANNUAL INTEREST FROM BOTH INVESTMENTS WAS $3,200? (