Consider (the rule) f(x) = 2x+3 from real numbers to real numbers. Is this a function? Is this a bijection? Is f-¹ a fuction? Write f-¹ as a rule f-¹(x) = ....

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Q: Which of the following has no solution? 4 O a) x 2²/₁-2 O b) b) +++255-3 ≤-3 O c) x²+25 x³-36x² - 0

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Q: Which inequality is equivalent to O a) O b) 2x-18 x+5 X-9 X+5 0 Oc) 18-2x x+5 -2x 0=²35 <= 18? x+5…

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Q: Number of Students in College Algebra Classes 289 3127 4101 Key: 28 means 28 students In the College…

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Q: 2. Let k be an odd number whose last digit is not 5. Show that the last digit of k4

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Q: (a) f: N→ N where f(n) = √n 1 x² - 5 (b) f: Z→ Z where f(x) = (c) f: R → R where f(n) = [x² x-1 if x…

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