Evaluate the function.f(x) = 5x2 - 2x + 4; Find f(t - 1).
A. 5t2 - 12t + 11
B. 5t2 + 18t + 7
C. 5t2 - 12t + 7
D. -12t2 + 5t + 11
Answer: A
Mathematics
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Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.20 L = 
gal
A. 5.2 gal B. 4.7 gal C. 9.0 gal D. 21.2 gal
Mathematics
Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.414 + 761 + 470 + 430 = 2075
A. Incorrect. Estimate: 2200 B. Incorrect. Estimate: 2000 C. Incorrect. Estimate: 2300 D. Correct. Estimate: 2100
Mathematics
For the given arithmetic series, what is Sn?a1 = 5, d = 5, and n = 98
A. 48,510 B. 24,260 C. 97,020 D. 24,255
Mathematics
Find the least common multiple.t, t + 5
A. t(t + 5) B. 20 C. t + 5 D. t
Mathematics