Find the indicated value.Let f(x) = 3x. f-1(243)
A. 3
B. 
C. 
D. 5
Answer: D
Mathematics
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Find the largest open interval where the function is changing as requested.Increasing f(x) = x2 - 2x + 1
A. (0, ?) B. (-?, 0) C. (-?, 1) D. (1, ?)
Mathematics
Find the mean. Round to the nearest tenth unless otherwise stated.Annual sales bonuses: $4,740, $3,440, $3,000, $6,900, $5,600, $4,770Round to the nearest whole number.
A. $6,900 B. $4,742 C. $3,000 D. $4,741
Mathematics
Perform the indicated operation.
A. 5 hr 48 min 22 sec B. 6 hr 49 min 22 sec C. 6 hr 48 min 22 sec D. 5 hr 49 min 22 sec
Mathematics
Find the sum of the angle measures of the specified polygon.A heptagon.
A. 1080° B. 720° C. 1260° D. 900°
Mathematics