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I am trying to understand my assignment. Can you help me please 10 Q4 For the functions f(x) - 7x + 4, h(x) IX 3

I am trying to understand my assignment. Can you help me please
10 Q4 For the functions f(x) - 7x + 4, h(x) IX 3 and g(x) = 3x - 2 (a) Evaluate (i) g(4) (ii) hig(4)} (iii) f7 (11) (b) Write expressions in x for (i) hi(x) (ii) gig(x)} Q5 Make Q the subject of P a Q2 + b Q6. a. When three pens and four erasers were purchased, the cost was $21.25. When two pens and two erasers were purchased, the cost was $12.50. What was the the price of a pen and the price of an earaser? b. Solve y = x + 1 and 2y = 3x + 4

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University Physics with Modern Physics

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