Use the formula for instantaneous rate of change, approximating the limit by using smaller and smaller values of h, to find the instantaneous rate of change for the function at the given value.Use a graphing utility to approximate the instantaneous rate of change of f(x) = x-ln x at x = 2.
A. 0.6185
B. -0.6548
C. -0.4287
D. .2158
Answer: C
Mathematics
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Find the total area of the region between the curve and the x-axis.y = 
; 1 ? x ? 4
A. 
B. 2
C. 4
D. 
Mathematics
The table lists data that are exactly linear. (i) Find the slope-intercept form of the line that passes through these data points. (ii) Predict y when x = -1.5 and 4.6. 
A. y = 2.2x + 7; y = 3.70, y = 17.12 B. y = 2.2x - 7; y = -10.3, y = 3.12 C. y = -2.2x - 7; y = -3.7, y = -17.12 D. y = -2.2x + 7; y = 10.3, y = -3.12
Mathematics
Write a system of linear inequalities that has the given graph.
A. 
B. 
C. 
D. 
Mathematics
Write the word phrase in symbols, using x as the variable.The sum of a number and 91
A. 91 B. 91 - x C. x + 91 D. 91x
Mathematics