Show that the function f has an inverse by showing that it is strictly monotonic.f(x) = x5 + 2x3 + 11x
What will be an ideal response?
f'(x) = 5x4 + 6x2 + 11 > 0 for all x. Thus, f is monotonic increasing on the whole real line and so it has an inverse there.
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Find the expected value.A car agency has found daily demand to be as shown in the table.Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Find the slope and y-intercept of the line.y = -5x
A. slope = -5; y-intercept = 0
B. slope = 0; y-intercept = -5
C. slope = 5; y-intercept = 0
D. slope = - ; y-intercept = 0
Perform the indicated operation by first converting the numbers to scientific notation. Write the answer in scientific notation.
A. 8 × 104 B. 64 × 105 C. 8 × 10-4 D. 64 × 10-5
For a construction problem, which instrument could you use?
A. calculator B. protractor C. tape measure D. compass