exam Maths Puzzle Numerical Ability

Please help.
An employee who produces x units per hour earns an hourly wage of y = 0.45x + 11 (in dollars). Find the hourly wage for an employee who produces 14 units per hour.
A) $17.30
B) $17.80
C) $17.00
D) $17.70

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exam Other Question

What is the linear equation that created this table:
x=-3,-2,-1,0,1, 2, 3
y= 0, 2, 4,6,8,10,12
I am having trouble determining the formula/s to answer these problems.
Thank you
solve. find exact solution

√4x-11 + 2 = √6x-5