1) What are the colours for the graphs of y = x-3, y = x0.5 and y = x4 for x > 0? a) y = x-3 (red), y = x0.5 (blue) and y = x4 (green) b) y = x-3 (red), y = x0.5 (green) and y = x4 (blue) c) y = x-3 (blue), y = x0.5 (red) and y = x4 (green) d) y = x-3 (blue), y = x0.5 (green) and y = x4 (blue) 2) What are the colours for the graphs of y = 2x, y = 0.5x or y = 2-x ? a) y = 2x (red), y = 0.5x or y = 2-x (green) b) y = 2x (green), y = 0.5x or y = 2-x (red) c) y = 2x (red), y = 0.5x or y = 2-x (blue) d) y = 2x (blue), y = 0.5x or y = 2-x (red) 3) What are the colours for the graphs of y = log2x, y = log0.5x ? a) y = log2x (blue), y = log0.5x (green) b) y = log2x (green), y = log0.5x (blue) c) y = log2x (yellow), y = log0.5x (red) d) y = log2x (red), y = log0.5x (yellow) 4) What is the value of loga 1. a) -1 b) 0 c) 1 d) a 5) What is the value of loga a. a) -1 b) 0 c) 1 d) a 6) What is the equivalence of log x? a) log10 x b) loge x c) logn x d) logx x 7) What is the equivalence of ln x? a) log10 x b) loge x c) logn x d) logx x 8) What is the equivalence of 2log2 x? a) log4 x b) log2 2x c) xlog2 2 d) log2 x2 9) Evaluate log4 64. a) 3 b) 4 c) 16 d) 64 10) What is the equivalence of log2 2x3? a) log2 2 + log2 x3 b) 3log2 2x c) log2 2 ╳ log2 x3 d) log2 2 ╳ log2 3x 11) What is the equivalence of log2 x? a) (loga x) / (loga 2) b) (loga 2) / (loga x) c) loga x - loga 2 d) loga 2 - loga x 12) Solve logx 8 = 3. a) 2 b) 3/8 c) 4 d) 24 13) Solve log3 x = 4. a) 3 b) 4/3 c) 12 d) 81 14) Solve log3 x = log3 7. a) 3 b) 7 c) 3/7 d) 7/3

Power, Exponential, Logarithmic Functions

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