Graph h(x) = f(x) + 1 and state the domain and range of h.
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250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.Approximately how many students had test scores between 68.25 and 85?
A. 107 B. 85 C. 188 D. 147 E. none of these
Graph f as a solid line and f-1 as a dashed line in the same rectangular coordinate space. Use interval notation to give the domain and range of f and f-1.f(x) = x3 - 2
A. 
f domain = (0, ?); range = (-2, ?)
f-1 domain = (-2, ?); range = (0, ?)
B. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
C. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
D. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
Determine the domain and range of the function from the graph.
A. (-?, ?); (-?, ?) B. [4, ?); (-?, ?) C. [0, ?); [0, ?) D. (-?, ?); [5, ?)
A coin was thrown 5 times. What is tail expectation?
a. 2.5 b. 5 c. 10 d. 3