Verify the identity.sec4 x - tan4 x = sec2 x + tan2 x
What will be an ideal response?
sec4 x - tan4 x = (sec2 x + tan2 x)(sec2 x - tan2 x) = (sec2 x + tan2 x)(1) = sec2 x + tan2 x
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Solve.A picture frame has a perimeter of 114 cm and a diagonal 
cm. What are the dimensions?
A. 20 cm by 38 cm B. 20 cm by 37 cm C. 19 cm by 38 cm D. 19 cm by 39 cm
Solve the problem.Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 10 trains per hour 
per minute). The following formula from statistics can be used to determine the probability that a train will arrive within t minutes of 7:00 AM. F(t) = 1 - e-0.17tDetermine how many minutes are needed for the probability to reach 60%.
A. 2.02 min B. 5.25 min C. 7.34 min D. 5.39 min
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 2(x + 1)2 - 4
A. 
B. 
C. 
D. 
Identify the place value of the indicated digit.9,4
8, 517
A. Ten thousands B. Millions C. Tens D. Thousands