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a. 314,159,654 rounded to nearest million is what? b. Solve forx:1/5 + (2/5)x = 3/5c. Solve forb:2(3b - 1) = -3(4b - 3)d. Solve forn:-2 - 10n = -12 - 4ne. Briefly describe what afunctionis. f. Write a definition for the worddomain. g. Subtract & Simplify:(-2x^2 + 3x - 5) - (x^2 + 3x - 5)h. Multiply & Simplify:-3n(-4n + 7) + 3n^2 + 3n - 10The next four exercises use expression Q:math - 2ma + 2th + 3htam[note: m, a, t, h are variables] i. How many terms does expression Q have? j. What is the coefficient for term two of expression Q? k. Write a simplified form for expression Q. l. Evaluate expression Q whenm = 0, a = 3.14, t = 45.5, h = 1The next three exercises use function:f(x) = 2(x)^3 - 4(x) + 49m. Evaluate:f(3)n. Evaluate:f(0) + 42o. Evaluate:f(-2)p. Write the ordered-pair for output 7 and input 2. q. 3.14 increased by a factor of 3.14 is what? r. The ordered-pair (3, -4) is graphed (plotted) in what quadrant? s. Solve forx:-91 + x = 91 - xt. The ordered-pair (-3, 0) implies an input of ___ produces an output of ___. u. Solve forb:5b + b + 2 = 5b - b + 8v. The set of outputs from a function is called the ______. w. Draw a cartesian coordinate system and plot the following ordered-pairs. (1,1) (-1,1) (-1,-1) (1,-1) (0,0) (0,3) (-3,0) (0,-3) (3,0)