Write as the sum and/or difference of logarithms. Express powers as factors.logb
A. logbx + 9logby + 3logbz
B. logbx + logby9 - logbz3
C. logbx + 9logby - 3logbz
D. logbx + logby9 + logbz3
Answer: C
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Find the average rate of change for the function between the given values.f(x) = 
; from 1 to 5
A. 
B. - 
C. -2
D. -28
Use a graphing calculator to graph the equation and identify the x-intercepts. If your answers are not exact, round to the nearest tenth.y = -2.5x2 + 8.9x - 1.5
A. x-intercept: (0, -1.5)
B. x-intercept: (1.8, 6.4)
C. x-intercepts: (0.2, 0) and (3.4, 0)
D. x-intercepts: (-3.7, 0) and (0.2, 0)
Write the polynomial in standard form. Then find its degree and leading coefficient.-2 + 7x4 + 16x5
A. -2 + 7x4 + 16x5 , degree: 10, leading coefficient: -2 B. 16x5 + 7x4 - 2, degree: 5, leading coefficient: 16 C. -2 + 7x4 + 16x5 , degree: 5, leading coefficient: -2 D. 16x5 + 7x4 - 2, degree: 9, leading coefficient: 16
Write the following as an algebraic expression in u, u > 0.sin 
A. 
B. 
C. u
D. 